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JP2005147127A - Electric twin flow pump device - Google Patents

Electric twin flow pump device Download PDF

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Publication number
JP2005147127A
JP2005147127A JP2004239799A JP2004239799A JP2005147127A JP 2005147127 A JP2005147127 A JP 2005147127A JP 2004239799 A JP2004239799 A JP 2004239799A JP 2004239799 A JP2004239799 A JP 2004239799A JP 2005147127 A JP2005147127 A JP 2005147127A
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Prior art keywords
housing
cooling water
motor
flow pump
pump device
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Pending
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JP2004239799A
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Japanese (ja)
Inventor
Sang Woo Ji
相 雨 池
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Hyundai Motor Co
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Hyundai Motor Co
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Publication of JP2005147127A publication Critical patent/JP2005147127A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/04—Pump-driving arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0215—Electrical pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/14—Engine-driven auxiliary devices combined into units

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • General Details Of Gearings (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a twin flow pump in which an electric oil pump and an electric water pump are integrally formed. <P>SOLUTION: The twin flow pump includes a housing in which a transmission oil passage and a cooling water passage are separately formed; a motor attached to one side of the housing and having a driving shaft penetrating through the oil passage and the cooling water passage and extending to the other side of the housing; a first impeller coaxially fixed (coaxially secured) to the driving shaft and positioned in the cooling water passage; and a second impeller coaxially fixed to the driving shaft and positioned in the oil passage. When the temperature of the cooling water is the set temperature or higher, the motor is driven when an engine is in the idle stop state. The motor includes a bearing for rotatably supporting the driving shaft of the motor at the other side of the housing. One or more sealing member is provided in the housing. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は車両に関し、より詳しくは、電動式ウォーターポンプと電動式オイルポンプとを統合して構成した車両の電動式ツインフローポンプ装置に関する。   The present invention relates to a vehicle, and more particularly, to an electric twin flow pump device for a vehicle configured by integrating an electric water pump and an electric oil pump.

現在、一般に、車両には１４Ｖ電源システムが適用されており、１４Ｖ電源システムで供給することができる最大電力は約２．５ＫＷであるといわれている。
しかし、最近は新技術の各種電気電子装備が車両に複数装着されているため、前記１４Ｖ電源システムでは前記電気電子装備に安定した電圧を供給することができない実情である。
したがって、電圧を１４Ｖ以上の高電圧（一例として３５Ｖまたは４２Ｖ）に昇圧した電源システムに対する研究が進められている。 Currently, a 14V power supply system is generally applied to vehicles, and the maximum power that can be supplied by the 14V power supply system is said to be about 2.5 KW.
However, recently, since various electric and electronic equipments of new technology are installed in a vehicle, the 14V power supply system cannot supply a stable voltage to the electric and electronic equipments.
Therefore, research on a power supply system in which the voltage is boosted to a high voltage of 14 V or higher (for example, 35 V or 42 V) is underway.

前記４２Ｖ電源システムを適用した車両（以下、４２Ｖ車両）の場合には、大気汚染を防止して燃料消耗を減少するための方法として、アイドルストップ（ｉｄｌｅ ｓｔｏｐ）機能が採択されており、前記アイドルストップ機能は、車両が停止した場合にエンジンをアイドル状態におかないで停止させる機能である。
詳しくは、イグニッションスイッチを操作することなく、車速センサーからの車速に関する信号に基づいて、エンジンを自動的に停止させ、加速ペダルの操作有無を検出する加速ペダルセンサーからの信号に基づいて、エンジンを再始動させることにより、二酸化炭素などの大気汚染物質の排出を抑制することができるのである。 In the case of a vehicle to which the 42V power supply system is applied (hereinafter referred to as a 42V vehicle), an idle stop function is adopted as a method for preventing air pollution and reducing fuel consumption. The stop function is a function for stopping the engine without putting it in an idle state when the vehicle stops.
Specifically, without operating the ignition switch, the engine is automatically stopped based on the signal related to the vehicle speed from the vehicle speed sensor, and the engine is operated based on the signal from the accelerator pedal sensor that detects whether or not the accelerator pedal is operated. By restarting, emission of air pollutants such as carbon dioxide can be suppressed.

しかし、アイドルストップ状態では、エンジンが停止するため、エンジンのベルト駆動によって駆動される周辺機器、例えばトランスミッションオイルポンプの駆動が不可能になる。
一方、アイドルストップ状態からエンジンを再始動させる場合には、トランスミッションの変速衝撃を防止するためにオイルをトランスミッションに入力する必要があるため、アイドルストップ状態でも駆動される電動式オイルポンプの使用が考慮されている。
また、前記４２Ｖ車両では、４２Ｖ電源システムの適用による周辺機器冷却のために別途のサブ冷却システムを構成しなければならず、これに用いるウォーターポンプも電動式ポンプに装着する必要がある。
特開２０００−３０３９８６号公報 However, in the idle stop state, the engine is stopped, so that peripheral devices driven by the engine belt drive, such as a transmission oil pump, cannot be driven.
On the other hand, when restarting the engine from the idle stop state, it is necessary to input oil to the transmission in order to prevent the transmission shock of the transmission. Therefore, consider using an electric oil pump that is driven even in the idle stop state. Has been.
Further, in the 42V vehicle, a separate sub-cooling system must be configured for cooling peripheral devices by applying the 42V power supply system, and the water pump used for this needs to be mounted on the electric pump.
JP 2000-303986 A

本発明は、前記のように、電動式オイルポンプと電動式ウォーターポンプとが一体に形成されたツインフローポンプを提供することを目的とする。   An object of the present invention is to provide a twin flow pump in which an electric oil pump and an electric water pump are integrally formed as described above.

前記目的を達成するための本発明による電動式ツインフローポンプ装置は、トランスミッションオイル通路及び冷却水通路が別個に形成されているハウジング；前記ハウジングの一側に装着され、その駆動軸が前記オイル通路及び冷却水通路を貫通して前記ハウジングの他側に伸びているモータ；前記駆動軸に同軸固定され、前記冷却水通路に位置する第１インペラ；及び前記駆動軸に同軸固定され、前記オイル通路に位置する第２インペラ；を含んで構成される。   In order to achieve the above object, an electric twin flow pump device according to the present invention includes a housing in which a transmission oil passage and a cooling water passage are separately formed; mounted on one side of the housing, and a drive shaft thereof is the oil passage. A motor extending through the cooling water passage to the other side of the housing; a first impeller fixed coaxially to the drive shaft and positioned in the cooling water passage; and a coaxial fixed to the drive shaft; A second impeller located at the bottom.

また、前記目的を達成するための本発明による電動式ツインフローポンプ装置は、トランスミッションオイル通路及び冷却水通路が別個に形成されているハウジング；前記オイル通路及び前記冷却水通路の間に介されて、前記ハウジングに装着され、その駆動軸が前記オイル通路及び前記冷却水通路を貫通して前記ハウジングの両側終端に伸びているモータ；前記駆動軸に同軸固定され、前記冷却水通路に位置する第１インペラ；及び前記駆動軸に同軸固定され、前記オイル通路に位置する第２インペラ；を含んで構成される。   The electric twin flow pump device according to the present invention for achieving the above object includes a housing in which a transmission oil passage and a cooling water passage are separately formed; interposed between the oil passage and the cooling water passage. A motor mounted on the housing and having a driving shaft extending through the oil passage and the cooling water passage and extending to both ends of the housing; coaxially fixed to the driving shaft and positioned in the cooling water passage And a second impeller that is coaxially fixed to the drive shaft and located in the oil passage.

本発明による電動式ツインフローポンプ装置によれば、電動式オイルポンプと電動式ウォーターポンプとを一体形成したツインフローポンプを提供するので、部品数の減少及び構造の簡便化を図ることができる。   According to the electric twin flow pump device of the present invention, a twin flow pump in which an electric oil pump and an electric water pump are integrally formed is provided, so that the number of parts can be reduced and the structure can be simplified.

以下、添付した図面を参照して、本発明の実施例を説明する。   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

図１に本発明の第１実施例による４２Ｖ車両の電動式ツインフローポンプ装置の構成を示す。
図１に示すように、電動式ツインフローポンプ装置のハウジング１００には冷却水通路１１０及びオイル通路１２０が各々形成される。これらはインペラが入るチャンバーを共通軸上に形成する。
ハウジング１００の一側にはモータ２００が装着され、モータ２００の駆動軸２１０は、冷却水通路１１０及びオイル通路１２０を貫通してハウジング１００の他側に延長している。 FIG. 1 shows the configuration of an electric twin flow pump device for a 42V vehicle according to a first embodiment of the present invention.
As shown in FIG. 1, a cooling water passage 110 and an oil passage 120 are formed in the housing 100 of the electric twin flow pump device. These form a chamber in which the impeller enters on a common axis.
A motor 200 is mounted on one side of the housing 100, and a drive shaft 210 of the motor 200 extends through the cooling water passage 110 and the oil passage 120 to the other side of the housing 100.

モータ２００は、コイル２３０及びロータ２２０を含み、駆動軸２１０は、コイルに電源が印加される場合にロータ２２０と共に回転する。
ハウジング１００の他側には好ましくはベアリング３００が備えられ、延長した駆動軸２１０を回転可能に支持する。
この時、駆動軸２１０の冷却水通路１１０を貫通する位置には第１インペラ４００が、駆動軸２１０のオイル通路１２０を貫通する位置には第２インペラ５００が、駆動軸２１０に同軸固定される。
そして、ハウジング１００の内部にはシーリング部材６１０、６２０が装着されて、冷却水またはオイルがハウジングの外部に漏出するのを防止する。 The motor 200 includes a coil 230 and a rotor 220, and the drive shaft 210 rotates with the rotor 220 when power is applied to the coil.
A bearing 300 is preferably provided on the other side of the housing 100 to rotatably support the extended drive shaft 210.
At this time, the first impeller 400 is fixed to the drive shaft 210 at a position passing through the cooling water passage 110, and the second impeller 500 is fixed to the drive shaft 210 at a position passing through the oil passage 120 of the drive shaft 210. .
Sealing members 610 and 620 are mounted inside the housing 100 to prevent the coolant or oil from leaking out of the housing.

冷却水通路１１０及びオイル通路１２０について詳細に見てみると、冷却水通路１１０は、４２Ｖ電源システムの適用による周辺機器の冷却のために別途に構成された冷却システムの冷却水の通路であって、冷却システムは、ＭＣＵ、ＤＣ／ＤＣコンバータ、インバータなどの冷却のための冷却水が流動する。
また、オイル通路１２０は、エンジンのアイドルストップ状態及びアイドルストップ状態から運転状態に転換する時期にトランスミッションの変速衝撃を防止するためにトランスミッションに供給されるオイルの通路である。 Looking at the cooling water passage 110 and the oil passage 120 in detail, the cooling water passage 110 is a cooling water passage of a cooling system that is separately configured for cooling peripheral devices by applying the 42V power supply system. In the cooling system, cooling water for cooling the MCU, the DC / DC converter, the inverter and the like flows.
The oil passage 120 is an oil passage that is supplied to the transmission in order to prevent a shift shock of the transmission when the engine is in the idle stop state and when the engine is switched from the idle stop state to the operating state.

図２には本発明の第２実施例による４２Ｖ車両の電動式ツインフローポンプ装置の構成を示す。
第２実施例は、ハウジング１００ａに装着されるモータ２００ａの位置を変更している。しかし、ハウジングには同様に共通軸上にチャンパーが形成されている。
これを第１実施例と比較してみると、第２実施例ではモータ２００ａがハウジング１００ａの中央に装着され、モータ２００ａの駆動軸２１０ａ、２１０ｂは、ハウジング１００ａの両端に延長している。
また、ハウジング１００ａの両端に延長した駆動軸２１０ａ、２１０ｂは、各々ベアリング３００ａ、３００ｂによって回転可能に支持される構造である。 FIG. 2 shows the configuration of an electric twin flow pump device for a 42V vehicle according to a second embodiment of the present invention.
In the second embodiment, the position of the motor 200a attached to the housing 100a is changed. However, a champ is similarly formed on the common shaft in the housing.
Comparing this with the first embodiment, in the second embodiment, the motor 200a is mounted in the center of the housing 100a, and the drive shafts 210a, 210b of the motor 200a extend to both ends of the housing 100a.
Further, the drive shafts 210a and 210b extended to both ends of the housing 100a have a structure that is rotatably supported by bearings 300a and 300b, respectively.

したがって、冷却水通路１１０ａ及びオイル通路１２０ａがモータ２００ａを中心に両側に位置する形態である。モータが駆動される場合、駆動軸に同軸固定された第１インペラ及び第２インペラが回転して、冷却水及びオイルが圧送されて循環する。
前記モータは、冷却水の温度が設定された温度を超える場合にその温度に基づいて作動したり、またはエンジンがアイドルストップ状態から運転状態に転換される場合に設定された油圧のオイルをトランスミッションに供給するように駆動される。 Therefore, the cooling water passage 110a and the oil passage 120a are located on both sides of the motor 200a. When the motor is driven, the first impeller and the second impeller, which are coaxially fixed to the drive shaft, rotate, and cooling water and oil are pumped and circulated.
The motor operates based on the temperature of the cooling water when the temperature exceeds the set temperature, or the hydraulic oil set when the engine is switched from the idle stop state to the operating state is supplied to the transmission. Driven to supply.

この時、冷却水の供給が必要な冷却水の温度条件とオイルの供給が必要なアイドルストップ条件とは同時に満たされることがなく、したがって、モータは二つの条件のうちのいずれか一つの条件のみに基づいて制御される。
モータが駆動される冷却水の温度条件に関するグラフを、図３に示す。
図３に示すように、モータは、冷却水の温度が摂氏５３度を超える場合に駆動され、モータの駆動によって第１インペラが回転すれば、冷却水が冷却システムを循環しながら４２Ｖ電源システムの周辺機器を冷却する。 At this time, the temperature condition of the cooling water that requires the supply of the cooling water and the idle stop condition that requires the supply of the oil are not satisfied at the same time, and therefore, the motor only has one of the two conditions. Controlled based on
A graph relating to the temperature condition of the cooling water in which the motor is driven is shown in FIG.
As shown in FIG. 3, the motor is driven when the temperature of the cooling water exceeds 53 degrees Celsius, and if the first impeller rotates by driving the motor, the cooling water circulates through the cooling system and the 42V power supply system Cool down peripheral devices.

一方、モータが駆動されるアイドルストップ条件に関するグラフを、図４に示す。
図４に示すように、設定された圧力を有するオイルの供給が必要なのはアイドルストップ状態及びアイドルストップ状態から運転状態に転換される時期であり、それ以降では機械式オイルポンプによってオイルが供給される。
図４に示すトランスミッション油圧曲線に基づいて、モータは、アイドルストップ状態ではローデューティ（ｌｏｗ ｄｕｔｙ）で、アイドルストップ状態から運転状態に転換される時期にはハイデューティ（ｈｉｇｈ ｄｕｔｙ）で駆動されて、第２インペラを回転させる。
第２実施例も第１実施例と同様な方法で制御されることは自明であるので、これ以上の詳細な説明は省略する。 On the other hand, FIG. 4 shows a graph relating to the idle stop condition in which the motor is driven.
As shown in FIG. 4, the oil having the set pressure needs to be supplied when the engine is switched from the idle stop state and the idle stop state to the operation state, and thereafter, the oil is supplied by the mechanical oil pump. .
Based on the transmission hydraulic pressure curve shown in FIG. 4, the motor is driven at a low duty in the idle stop state and at a high duty at a time when the motor is switched from the idle stop state to the driving state. The second impeller is rotated.
Since it is obvious that the second embodiment is controlled in the same manner as the first embodiment, further detailed description is omitted.

本発明の第１実施例による電動式ツインフローポンプ装置の構成を示した図面である。1 is a diagram illustrating a configuration of an electric twin flow pump device according to a first embodiment of the present invention. 本発明の第２実施例による電動式ツインフローポンプ装置の構成を示した図面である。3 is a diagram illustrating a configuration of an electric twin flow pump device according to a second embodiment of the present invention. 冷却水の温度に関する電動式ツインフローポンプ装置の作動条件を示したグラフである。It is the graph which showed the operating condition of the electric twin flow pump apparatus regarding the temperature of a cooling water. アイドルストップに関する電動式ツインフローポンプ装置の作動条件を示したグラフである。It is the graph which showed the operating condition of the electric twin flow pump apparatus regarding an idle stop.

符号の説明Explanation of symbols

１００、１００ａ ハウジング
１１０、１１０ａ 冷却水通路
１２０、１２０ａ オイル通路
２１０、２１０ａ、２１０ｂ 駆動軸
２２０ ロータ
２３０ コイル
３００、３００ａ、３００ｂ ベアリング
６１０、６２０ シーリング部材 100, 100a Housing 110, 110a Cooling water passage 120, 120a Oil passage 210, 210a, 210b Drive shaft 220 Rotor 230 Coil 300, 300a, 300b Bearing 610, 620 Sealing member

Claims (15)

トランスミッションオイル通路及び冷却水通路が別個に形成されているハウジング；
前記ハウジングの一側に装着され、駆動軸が前記オイル通路及び冷却水通路を貫通して前記ハウジングの他側に伸びているモータ；
前記駆動軸に同軸固定され（ｃｏａｘｉａｌｌｙ ｓｅｃｕｒｅｄ）、前記冷却水通路に位置する第１インペラ；
前記駆動軸に同軸固定され、前記オイル通路に位置する第２インペラ；
を含む、電動式ツインフローポンプ装置。 A housing in which a transmission oil passage and a cooling water passage are separately formed;
A motor mounted on one side of the housing and having a drive shaft extending through the oil passage and the cooling water passage to the other side of the housing;
A first impeller that is coaxially secured to the drive shaft and positioned in the cooling water passage;
A second impeller fixed coaxially to the drive shaft and positioned in the oil passage;
Electric twin flow pump device. 前記モータは、前記冷却水の温度が設定された温度以上である場合、エンジンがアイドルストップ状態である場合に駆動されることを特徴とする、請求項１に記載の電動式ツインフローポンプ装置。   2. The electric twin flow pump device according to claim 1, wherein the motor is driven when the temperature of the cooling water is equal to or higher than a set temperature and the engine is in an idle stop state. 前記ハウジングの前記他側で前記モータの駆動軸を回転可能に支持するベアリングをさらに含む、請求項２に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 2, further comprising a bearing rotatably supporting a drive shaft of the motor on the other side of the housing. 前記ハウジングの内部には一つ以上のシーリング部材が備えられることを特徴とする、請求項３に記載の電動式ツインフローポンプ装置。   The electric twin flow pump apparatus according to claim 3, wherein the housing includes one or more sealing members. 前記モータは、直流器であることを特徴とする、請求項４に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 4, wherein the motor is a DC unit. トランスミッションオイル通路及び冷却水通路が別個に形成されているハウジング；
前記オイル通路及び前記冷却水通路の間に介されて、前記ハウジングに装着され、その駆動軸が前記オイル通路及び前記冷却水通路を貫通して前記ハウジングの両側終端に伸びているモータ；
前記駆動軸に同軸固定され、前記冷却水通路に位置する第１インペラ；
前記駆動軸に同軸固定され、前記オイル通路に位置する第２インペラ；
を含むことを特徴とする電動式ツインフローポンプ装置。 A housing in which a transmission oil passage and a cooling water passage are separately formed;
A motor mounted between the oil passage and the cooling water passage and mounted on the housing, the drive shaft of which passes through the oil passage and the cooling water passage and extends to both ends of the housing;
A first impeller which is coaxially fixed to the drive shaft and located in the cooling water passage;
A second impeller fixed coaxially to the drive shaft and positioned in the oil passage;
The electric twin flow pump device characterized by including. 前記モータは、前記冷却水の温度が設定された温度以上である場合、エンジンアイドルストップ状態である場合に駆動されることを特徴とする請求項６に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 6, wherein the motor is driven when the temperature of the cooling water is equal to or higher than a set temperature and when the engine is in an engine idle stop state. 前記ハウジングの前記両端で各々前記モータの駆動軸を回転可能に支持するベアリングをさらに含むことを特徴とする請求項７に記載の電動式ツインフローポンプ装置。   8. The electric twin flow pump device according to claim 7, further comprising bearings rotatably supporting the drive shafts of the motor at both ends of the housing. 前記ハウジングの内部には一つ以上のシーリング部材が備えられることを特徴とする請求項８に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 8, wherein one or more sealing members are provided in the housing. 前記モータは、直流器であることを特徴とする請求項９に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 9, wherein the motor is a DC unit. 共通軸上でインペラチャンバーを各々形成する変速機オイル通路及び冷却水通路を備えられるハウジング；
冷却水通路のインペラチャンバーに配置されて冷却水をポンピングする第１インペラ；
変速機オイル通路のインペラチャンバーに配置されて変速機オイルをポンピングする第２インペラ；
前記第１、２インペラを駆動するように前記第１、２インペラ間の共通軸に沿って伸びている一つ以上の駆動軸；そして
前記一つ以上の駆動軸に連結されるモータ；
を含むことを特徴とする電動式ツインフローポンプ装置。 A housing provided with a transmission oil passage and a cooling water passage each forming an impeller chamber on a common shaft;
A first impeller disposed in the impeller chamber of the cooling water passage for pumping the cooling water;
A second impeller disposed in the impeller chamber of the transmission oil passage for pumping transmission oil;
One or more drive shafts extending along a common axis between the first and second impellers to drive the first and second impellers; and a motor coupled to the one or more drive shafts;
The electric twin flow pump device characterized by including. 前記モータは、前記ハウジングの一側に配置され；一つの駆動軸が一つのインペラを貫通して他のインペラに伸びていることを特徴とする請求項１１に記載の電動式ツインフローポンプ装置。   12. The electric twin flow pump device according to claim 11, wherein the motor is disposed on one side of the housing; and one drive shaft extends through one impeller to another impeller. 前記ハウジングの前記モータの反対側に装着される軸支持ベアリングをさらに含むことを特徴とする請求項１２に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 12, further comprising a shaft support bearing mounted on an opposite side of the motor to the housing. 前記モータは、前記複数のインペラチャンバー間に配置され、前記モータから前記第１、２インペラ側に互いに反対方向に駆動軸が伸びていることを特徴とする請求項１１に記載の電動式ツインフローポンプ装置。   The electric twin flow according to claim 11, wherein the motor is disposed between the plurality of impeller chambers, and drive shafts extend from the motor to the first and second impeller sides in opposite directions. Pump device. 前記複数のインペラチャンバーのモータの反対側に各々装着される第１、２軸支持ベアリングをさらに含むことを特徴とする請求項１４に記載の電動式ツインフローポンプ装置。   The electric twin flow pump device according to claim 14, further comprising first and second shaft support bearings mounted on opposite sides of the motors of the plurality of impeller chambers.
JP2004239799A 2003-11-18 2004-08-19 Electric twin flow pump device Pending JP2005147127A (en)

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