EP0174171A3 - Supercharger with reduced noise - Google Patents

Supercharger with reduced noise Download PDF

Info

Publication number: EP0174171A3
Authority: EP; European Patent Office
Prior art keywords: supercharger; reduced noise; noise; reduced
Prior art date: 1984-09-04
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.): Granted

Application number

EP85306198A

Other versions

EP0174171B1 (en

EP0174171A2 (en

Inventor

Robert Seaver Mueller

Dannie Lamar Kimmons

Daniel Rusell

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.)

Eaton Corp

Original Assignee

Eaton Corp

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.)

1984-09-04

Filing date

1985-09-02

Publication date

1987-03-18

1984-09-04 Priority claimed from US06/647,072 external-priority patent/US4564345A/en

1984-09-04 Priority claimed from US06/647,071 external-priority patent/US4564346A/en

1985-09-02 Application filed by Eaton Corp filed Critical Eaton Corp

1986-03-12 Publication of EP0174171A2 publication Critical patent/EP0174171A2/en

1987-03-18 Publication of EP0174171A3 publication Critical patent/EP0174171A3/en

1990-03-07 Application granted granted Critical

1990-03-07 Publication of EP0174171B1 publication Critical patent/EP0174171B1/en

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0035—Equalization of pressure pulses

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Supercharger (AREA)

EP19850306198 1984-09-04 1985-09-02 Supercharger with reduced noise Expired EP0174171B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US647071		1984-09-04
US06/647,072 US4564345A (en)	1984-09-04	1984-09-04	Supercharger with reduced noise
US647072		1984-09-04
US06/647,071 US4564346A (en)	1984-09-04	1984-09-04	Supercharger with hourglass outlet port

Publications (3)

Publication Number	Publication Date
EP0174171A2 EP0174171A2 (en)	1986-03-12
EP0174171A3 true EP0174171A3 (en)	1987-03-18
EP0174171B1 EP0174171B1 (en)	1990-03-07

Family

ID=27095079

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19850306198 Expired EP0174171B1 (en)	1984-09-04	1985-09-02	Supercharger with reduced noise

Country Status (2)

Country	Link
EP (1)	EP0174171B1 (en)
DE (1)	DE3576390D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5083907A (en) *	1990-05-25	1992-01-28	Eaton Corporation	Roots-type blower with improved inlet
US5078583A (en) *	1990-05-25	1992-01-07	Eaton Corporation	Inlet port opening for a roots-type blower
EP1286053A1 (en) *	2001-08-21	2003-02-26	Ford Global Technologies, Inc., A subsidiary of Ford Motor Company	Rotary pump with backflow

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2028414A (en) *	1933-05-19	1936-01-21	Fairbanks Morse & Co	Fluid displacement device
US2701683A (en) *	1951-12-15	1955-02-08	Read Standard Corp	Interengaging rotor blower
AT242855B (en) *	1962-02-21	1965-10-11	Polysius Gmbh	Roots blower
US3667874A (en) *	1970-07-24	1972-06-06	Cornell Aeronautical Labor Inc	Two-stage compressor having interengaging rotary members
DE3238015A1 (en) *	1982-10-13	1984-04-26	Aerzener Maschinenfabrik Gmbh, 3251 Aerzen	METHOD FOR COMPRESSING GAS SHAPED CONVEYOR MEDIUM WITH A ROOTS COMPRESSOR AND ROOTS COMPRESSOR FOR CARRYING OUT THE METHOD

1985
- 1985-09-02 DE DE8585306198T patent/DE3576390D1/en not_active Expired - Lifetime
- 1985-09-02 EP EP19850306198 patent/EP0174171B1/en not_active Expired

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2028414A (en) *	1933-05-19	1936-01-21	Fairbanks Morse & Co	Fluid displacement device
US2701683A (en) *	1951-12-15	1955-02-08	Read Standard Corp	Interengaging rotor blower
AT242855B (en) *	1962-02-21	1965-10-11	Polysius Gmbh	Roots blower
US3667874A (en) *	1970-07-24	1972-06-06	Cornell Aeronautical Labor Inc	Two-stage compressor having interengaging rotary members
DE3238015A1 (en) *	1982-10-13	1984-04-26	Aerzener Maschinenfabrik Gmbh, 3251 Aerzen	METHOD FOR COMPRESSING GAS SHAPED CONVEYOR MEDIUM WITH A ROOTS COMPRESSOR AND ROOTS COMPRESSOR FOR CARRYING OUT THE METHOD

Also Published As

Publication number	Publication date
EP0174171B1 (en)	1990-03-07
EP0174171A2 (en)	1986-03-12
DE3576390D1 (en)	1990-04-12

Publication	Publication Date	Title
EP0176270A3 (en)	1987-03-11	Supercharger with reduced noise and improved efficiency
GB8503117D0 (en)	1985-03-13	Turbocharged i c engine
GB8517158D0 (en)	1985-08-14	Contrast enhancement structure
GB8500946D0 (en)	1985-02-20	Turbocharged i c engines
GB8519445D0 (en)	1985-09-11	I c engine
GB2158557B (en)	1988-01-20	Low noise valve
DE3571065D1 (en)	1989-07-20	Supercharger carryback pulsation damping means
GB8606549D0 (en)	1986-04-23	Noise reduction arrangements
GB2160572B (en)	1987-12-31	Offshore intake structure
GB8525537D0 (en)	1985-11-20	I c engine
GB2159928B (en)	1988-01-20	Turbo boost valve
GB8523469D0 (en)	1985-10-30	Noise filter
GB8506263D0 (en)	1985-04-11	I c engine
GB8510806D0 (en)	1985-06-05	I c engine
GB8508545D0 (en)	1985-05-09	Supercharger
GB8415938D0 (en)	1984-07-25	Supercharging arrangement
GB8508520D0 (en)	1985-05-09	Supercharger
GB8431885D0 (en)	1985-01-30	I c engine
GB8522302D0 (en)	1985-10-16	I c engine
GB8519881D0 (en)	1985-09-18	I c engine
GB2160394B (en)	1988-03-16	Noise reduction system
GB2153003B (en)	1986-11-12	Pivotal connection arrangement
EP0174171A3 (en)	1987-03-18	Supercharger with reduced noise
GB8518914D0 (en)	1985-09-04	Manifold assembly
GB2165599B (en)	1988-11-16	Pulley assembly

Legal Events

Date	Code	Title	Description
1986-01-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1986-03-12	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1987-01-27	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-03-18	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1987-11-04	17P	Request for examination filed	Effective date: 19870907
1988-11-23	17Q	First examination report despatched	Effective date: 19881007
1990-01-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1990-03-07	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1990-03-16	ITF	It: translation for a ep patent filed
1990-04-12	REF	Corresponds to:	Ref document number: 3576390 Country of ref document: DE Date of ref document: 19900412
1990-05-04	ET	Fr: translation filed
1990-12-29	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-12-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1991-02-20	26N	No opposition filed
1993-09-30	ITTA	It: last paid annual fee
1996-08-08	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19960808 Year of fee payment: 12
1996-09-10	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19960910 Year of fee payment: 12
1996-09-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19960927 Year of fee payment: 12
1997-09-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19970902
1997-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19970930
1998-04-22	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19970902
1998-06-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980603
1998-07-03	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST