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FR2434969A1 - Motor vehicle differential with auto-controlled slip - has electronic circuit including potentiometers, to control piston acting on clutch - Google Patents

Motor vehicle differential with auto-controlled slip - has electronic circuit including potentiometers, to control piston acting on clutch

Info

Publication number
FR2434969A1
FR2434969A1 FR7824978A FR7824978A FR2434969A1 FR 2434969 A1 FR2434969 A1 FR 2434969A1 FR 7824978 A FR7824978 A FR 7824978A FR 7824978 A FR7824978 A FR 7824978A FR 2434969 A1 FR2434969 A1 FR 2434969A1
Authority
FR
France
Prior art keywords
clutch
differential
auto
motor vehicle
electronic circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR7824978A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7824978A priority Critical patent/FR2434969A1/en
Publication of FR2434969A1 publication Critical patent/FR2434969A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/20—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing in which the differential movement is limited
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

A differential for motor vehicles has electronic control of the locking to permit maximum adherence at starting and when driving in a straight line. The locking torque can be suppressed or decreased at the entry to a turn and then adjusted as a function of the turn radius. Proximity detectors (27, 28) in front of the disc brakes measure the speed relative to planetary wheels (1, 11) in a differential. This information is transmitted to a control box (31). An adjustment box (32) enables the percentage lacking to be adjusted. This is indicated by the control pointer and the information is sent to a control box (24) which drives an electrovalve (23) to regulate the pressure on a piston (7). This control box is also connected to potentiometers (25) on the steering rack (26). The piston thus acts on the clutch (6) in the differential to provide the required locking or slipping.
FR7824978A 1978-08-30 1978-08-30 Motor vehicle differential with auto-controlled slip - has electronic circuit including potentiometers, to control piston acting on clutch Withdrawn FR2434969A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7824978A FR2434969A1 (en) 1978-08-30 1978-08-30 Motor vehicle differential with auto-controlled slip - has electronic circuit including potentiometers, to control piston acting on clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7824978A FR2434969A1 (en) 1978-08-30 1978-08-30 Motor vehicle differential with auto-controlled slip - has electronic circuit including potentiometers, to control piston acting on clutch

Publications (1)

Publication Number Publication Date
FR2434969A1 true FR2434969A1 (en) 1980-03-28

Family

ID=9212186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7824978A Withdrawn FR2434969A1 (en) 1978-08-30 1978-08-30 Motor vehicle differential with auto-controlled slip - has electronic circuit including potentiometers, to control piston acting on clutch

Country Status (1)

Country Link
FR (1) FR2434969A1 (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034315A2 (en) * 1980-02-14 1981-08-26 M.A.N. MASCHINENFABRIK AUGSBURG-NÜRNBERG Aktiengesellschaft Motor vehicle with differential pawl
WO1986001467A1 (en) * 1984-08-29 1986-03-13 Zahnradfabrik Friedrichshafen Ag Operation of a differential lock
EP0185247A2 (en) * 1984-12-08 1986-06-25 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Lockable differential gearing for cars
EP0264579A1 (en) * 1986-10-24 1988-04-27 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Lockable differential gearing
FR2609137A1 (en) * 1986-12-26 1988-07-01 Renault Differential with controlled clutch
WO1988010378A1 (en) * 1987-06-24 1988-12-29 Sigvard Johansson A device to oppose relative rotational movement between two rotatable shafts
EP0318688A1 (en) * 1987-10-20 1989-06-07 Nissan Motor Co., Ltd. Limited-slip differential control system
US4867262A (en) * 1986-11-28 1989-09-19 Toyota Jidosha Kabushiki Kaisha Four wheel drive system for vehicle
WO1989010279A1 (en) * 1988-04-30 1989-11-02 Zahnradfabrik Friedrichshafen Ag All-wheel drive tractor
EP0340209A1 (en) * 1988-04-26 1989-11-02 Kurt Hierzenberger Locking device for a differential of a motor vehicle
EP0457945A1 (en) * 1990-05-23 1991-11-27 Siemens Aktiengesellschaft Method of control of the engagement of a limited slip differential for front wheel driven vehicles
EP1203901A3 (en) * 2000-10-25 2005-12-14 Dana Corporation Wheel differential shift mechanism

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034315A3 (en) * 1980-02-14 1983-01-19 M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft Motor vehicle with differential pawl
EP0034315A2 (en) * 1980-02-14 1981-08-26 M.A.N. MASCHINENFABRIK AUGSBURG-NÜRNBERG Aktiengesellschaft Motor vehicle with differential pawl
WO1986001467A1 (en) * 1984-08-29 1986-03-13 Zahnradfabrik Friedrichshafen Ag Operation of a differential lock
US4775026A (en) * 1984-08-29 1988-10-04 Zahnradfabrik Friedrichshafen Ag Actuation of a differential lock
EP0185247A2 (en) * 1984-12-08 1986-06-25 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Lockable differential gearing for cars
EP0185247A3 (en) * 1984-12-08 1986-10-08 Bayerische Motoren Werke Aktiengesellschaft Lockable differential gearing for cars
EP0264579A1 (en) * 1986-10-24 1988-04-27 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Lockable differential gearing
US4811628A (en) * 1986-10-24 1989-03-14 Bayerische Motoren Werke Aktiengesellschaft Lockable differential gear
US4867262A (en) * 1986-11-28 1989-09-19 Toyota Jidosha Kabushiki Kaisha Four wheel drive system for vehicle
FR2609137A1 (en) * 1986-12-26 1988-07-01 Renault Differential with controlled clutch
WO1988010378A1 (en) * 1987-06-24 1988-12-29 Sigvard Johansson A device to oppose relative rotational movement between two rotatable shafts
EP0318688A1 (en) * 1987-10-20 1989-06-07 Nissan Motor Co., Ltd. Limited-slip differential control system
US4973294A (en) * 1987-10-20 1990-11-27 Nissan Motor Co., Ltd. Limited-slip differential control system
EP0340209A1 (en) * 1988-04-26 1989-11-02 Kurt Hierzenberger Locking device for a differential of a motor vehicle
WO1989010279A1 (en) * 1988-04-30 1989-11-02 Zahnradfabrik Friedrichshafen Ag All-wheel drive tractor
US5161636A (en) * 1988-04-30 1992-11-10 Zahnradfabrik Friedrichshafen Ag All-wheel drive tractor
EP0457945A1 (en) * 1990-05-23 1991-11-27 Siemens Aktiengesellschaft Method of control of the engagement of a limited slip differential for front wheel driven vehicles
EP1203901A3 (en) * 2000-10-25 2005-12-14 Dana Corporation Wheel differential shift mechanism

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Legal Events

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