EP0512514A3 - Gear machine - Google Patents

Gear machine Download PDF

Info

Publication number: EP0512514A3
Authority: EP; European Patent Office
Prior art keywords: gear machine; gear; machine
Prior art date: 1991-05-07
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP19920107651

Other languages

English (en)

Other versions

EP0512514A2 (en

Inventor

Angelo Zanardi

Daniele Mei

Fausto Rossi

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.)

Sauer Sundstrand SpA

Original Assignee

Sauer Sundstrand SpA

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.)

1991-05-07

Filing date

1992-05-06

Publication date

1993-07-07

1992-05-06 Application filed by Sauer Sundstrand SpA filed Critical Sauer Sundstrand SpA

1992-11-11 Publication of EP0512514A2 publication Critical patent/EP0512514A2/en

1993-07-07 Publication of EP0512514A3 publication Critical patent/EP0512514A3/en

Status Withdrawn legal-status Critical Current

Links

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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
- F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Rotary Pumps (AREA)
Hydraulic Motors (AREA)

EP19920107651 1991-05-07 1992-05-06 Gear machine Withdrawn EP0512514A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ITBO91085U		1991-05-07
IT000085 IT224734Z2 (it)	1991-05-07	1991-05-07	Macchina ad ingranaggi fungente da pompa o motore.

Publications (2)

Publication Number	Publication Date
EP0512514A2 EP0512514A2 (en)	1992-11-11
EP0512514A3 true EP0512514A3 (en)	1993-07-07

Family

ID=11337335

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19920107651 Withdrawn EP0512514A3 (en)	1991-05-07	1992-05-06	Gear machine

Country Status (2)

Country	Link
EP (1)	EP0512514A3 (it)
IT (1)	IT224734Z2 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10634136B2 (en)	2016-07-26	2020-04-28	Eckerle Technologies GmbH	Geared fluid machine with circumferential seal having first and second spaced apart seal limbs

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4322240C2 (de) *	1993-07-03	1997-01-09	Eckerle Rexroth Gmbh Co Kg	Hydraulische Innenzahnradmaschine (Pumpe oder Motor)
DE4339527C1 (de) *	1993-11-19	1995-02-16	Freudenberg Carl Fa	Dichtungsanordnung
DE19717295C2 (de) *	1997-04-24	1999-09-23	Danfoss As	Fluid-Maschine
DE10231525B4 (de) *	2002-07-12	2006-01-12	Renk Aktiengesellschaft	Verfahren und Vorrichtung zur Schlupfsimulation auf Fahrzeugprüfständen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3895890A (en) *	1974-01-24	1975-07-22	Hydroperfect Int	Geared hydraulic apparatus
EP0291722A1 (de) *	1987-05-18	1988-11-23	Robert Bosch Gmbh	Zahnradmaschine (Pumpe oder Motor)
EP0421020A1 (en) *	1989-10-06	1991-04-10	SAUER-SUNDSTRAND S.p.A.	Gear machine for use as a pump or motor
WO1991012431A1 (fr) *	1990-02-16	1991-08-22	Kabushiki Kaisha Komatsu Seisakusho	Garniture d'etancheite pour pompes a engrenages

1991
- 1991-05-07 IT IT000085 patent/IT224734Z2/it active IP Right Grant
1992
- 1992-05-06 EP EP19920107651 patent/EP0512514A3/en not_active Withdrawn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3895890A (en) *	1974-01-24	1975-07-22	Hydroperfect Int	Geared hydraulic apparatus
EP0291722A1 (de) *	1987-05-18	1988-11-23	Robert Bosch Gmbh	Zahnradmaschine (Pumpe oder Motor)
EP0421020A1 (en) *	1989-10-06	1991-04-10	SAUER-SUNDSTRAND S.p.A.	Gear machine for use as a pump or motor
WO1991012431A1 (fr) *	1990-02-16	1991-08-22	Kabushiki Kaisha Komatsu Seisakusho	Garniture d'etancheite pour pompes a engrenages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10634136B2 (en)	2016-07-26	2020-04-28	Eckerle Technologies GmbH	Geared fluid machine with circumferential seal having first and second spaced apart seal limbs

Also Published As

Publication number	Publication date
IT224734Z2 (it)	1996-06-27
ITBO910085U1 (it)	1992-11-07
ITBO910085V0 (it)	1991-05-07
EP0512514A2 (en)	1992-11-11

Legal Events

Date	Code	Title	Description
1992-09-26	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
1992-11-11	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE ES FR GB
1993-05-19	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-07-07	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE ES FR GB
1994-12-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1995-01-25	18D	Application deemed to be withdrawn	Effective date: 19940108

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EP0512514A3 - Gear machine - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (2)

Publications (2)

Family

ID=11337335

Family Applications (1)

Country Status (2)

Cited By (1)

Families Citing this family (4)

Citations (4)

Patent Citations (4)

Cited By (1)

Also Published As

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Legal Events