EP0309728A3 - Piston for axial-piston engines - Google Patents

Piston for axial-piston engines Download PDF

Info

Publication number: EP0309728A3
Authority: EP; European Patent Office
Prior art keywords: piston; axial; engines; piston engines
Prior art date: 1987-09-28
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

EP88113639A

Other languages

German (de)

Other versions

EP0309728A2 (en

EP0309728B1 (en

Inventor

Heinz Berthold

Josef Beck

Ivan Pecnik

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.)

Brueninghaus Hydraulik GmbH

Original Assignee

Brueninghaus Hydraulik GmbH

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.)

1987-09-28

Filing date

1988-08-22

Publication date

1989-10-04

1988-08-22 Application filed by Brueninghaus Hydraulik GmbH filed Critical Brueninghaus Hydraulik GmbH

1989-04-05 Publication of EP0309728A2 publication Critical patent/EP0309728A2/en

1989-10-04 Publication of EP0309728A3 publication Critical patent/EP0309728A3/en

1992-09-23 Application granted granted Critical

1992-09-23 Publication of EP0309728B1 publication Critical patent/EP0309728B1/en

2008-08-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F01B3/0082—Details
- F01B3/0085—Pistons

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Pistons, Piston Rings, And Cylinders (AREA)

EP88113639A 1987-09-28 1988-08-22 Piston for axial-piston engines Expired - Lifetime EP0309728B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19873732648 DE3732648A1 (en)	1987-09-28	1987-09-28	PISTON FOR AXIAL PISTON MACHINES
DE3732648		1987-09-28

Publications (3)

Publication Number	Publication Date
EP0309728A2 EP0309728A2 (en)	1989-04-05
EP0309728A3 true EP0309728A3 (en)	1989-10-04
EP0309728B1 EP0309728B1 (en)	1992-09-23

Family

ID=6337053

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88113639A Expired - Lifetime EP0309728B1 (en)	1987-09-28	1988-08-22	Piston for axial-piston engines

Country Status (3)

Country	Link
EP (1)	EP0309728B1 (en)
JP (1)	JP2876480B2 (en)
DE (2)	DE3732648A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4108786C2 (en) *	1991-03-18	1995-01-05	Hydromatik Gmbh	Light pistons for hydrostatic axial and radial piston machines
DE19706075C2 (en) *	1997-02-17	2001-05-17	Brueninghaus Hydromatik Gmbh	Piston for a hydrostatic machine
KR20030062479A (en) *	2002-01-17	2003-07-28	한라공조주식회사	Hollow piston for swash plate type compressor
JP4758916B2 (en) *	2007-01-18	2011-08-31	株式会社不二工機	Motorized valve
JP2008169910A (en) *	2007-01-11	2008-07-24	Fuji Koki Corp	Motor-operated valve
DE102009056903A1 (en)	2009-12-03	2011-06-09	Danfoss A/S	Hydraulic piston machine, in particular water-hydraulic machine
DE102019130844A1 (en)	2019-11-15	2021-05-20	Danfoss A/S	Hydraulic piston machine
DE102019130843A1 (en)	2019-11-15	2021-05-20	Danfoss A/S	Piston of a hydraulic piston machine and hydraulic piston machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3187644A (en) *	1963-08-19	1965-06-08	Sundstrand Corp	Hydraulic pump or motor device pistons
US3633467A (en) *	1968-12-28	1972-01-11	Komatsu Mfg Co Ltd	Hydraulic pump or motor device plungers
US3707113A (en) *	1971-02-16	1972-12-26	Caterpillar Tractor Co	Piston for hydraulic translating unit
FR2182476A5 (en) *	1972-04-24	1973-12-07	Eaton Corp
US3915071A (en) *	1972-07-28	1975-10-28	Linde Ag	Piston for hydrostatic machines
WO1983003650A1 (en) *	1982-04-05	1983-10-27	Adomis, Jr., Peter, P.	Filled piston with central oil tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA985959A (en) *	1972-12-21	1976-03-23	Caterpillar Tractor Co.	Piston for hydraulic translating unit
JPS57144349A (en) *	1981-02-27	1982-09-06	Toni:Kk	Piston device and caulking tool therefor
DE3204264A1 (en) *	1982-02-08	1983-08-18	Char'kovskij politechni&ccaron;eskij institut imeni V.I. Lenina, Char'kov	Multipart piston for positive-displacement hydraulic machines and process for its production
JPS62215166A (en) *	1986-03-14	1987-09-21	Taiho Kogyo Co Ltd	Composite piston and its manufacture

1987
- 1987-09-28 DE DE19873732648 patent/DE3732648A1/en active Granted
1988
- 1988-08-22 EP EP88113639A patent/EP0309728B1/en not_active Expired - Lifetime
- 1988-08-22 DE DE8888113639T patent/DE3874849D1/en not_active Expired - Lifetime
- 1988-09-28 JP JP63241196A patent/JP2876480B2/en not_active Expired - Fee Related

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3187644A (en) *	1963-08-19	1965-06-08	Sundstrand Corp	Hydraulic pump or motor device pistons
US3633467A (en) *	1968-12-28	1972-01-11	Komatsu Mfg Co Ltd	Hydraulic pump or motor device plungers
US3707113A (en) *	1971-02-16	1972-12-26	Caterpillar Tractor Co	Piston for hydraulic translating unit
FR2182476A5 (en) *	1972-04-24	1973-12-07	Eaton Corp
US3915071A (en) *	1972-07-28	1975-10-28	Linde Ag	Piston for hydrostatic machines
WO1983003650A1 (en) *	1982-04-05	1983-10-27	Adomis, Jr., Peter, P.	Filled piston with central oil tube

Also Published As

Publication number	Publication date
DE3732648A1 (en)	1989-04-13
DE3874849D1 (en)	1992-10-29
JP2876480B2 (en)	1999-03-31
EP0309728A2 (en)	1989-04-05
EP0309728B1 (en)	1992-09-23
DE3732648C2 (en)	1989-10-19
JPH01108470A (en)	1989-04-25

Legal Events

Date	Code	Title	Description
1989-02-18	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
1989-04-05	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT SE
1989-08-18	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-10-04	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT SE
1990-03-07	17P	Request for examination filed	Effective date: 19900102
1990-05-16	17Q	First examination report despatched	Effective date: 19900404
1992-08-07	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-09-23	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT SE
1992-10-05	ITF	It: translation for a ep patent filed
1992-10-28	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-10-29	REF	Corresponds to:	Ref document number: 3874849 Country of ref document: DE Date of ref document: 19921029
1992-11-13	ET	Fr: translation filed
1993-07-24	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1993-07-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1993-09-15	26N	No opposition filed
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 88113639.4
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2005-08-11	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 20050811 Year of fee payment: 18
2005-08-12	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20050812 Year of fee payment: 18 Ref country code: DE Payment date: 20050812 Year of fee payment: 18
2005-08-16	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20050816 Year of fee payment: 18
2006-08-23	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060823
2006-08-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: IT Payment date: 20060831 Year of fee payment: 19
2007-03-01	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: 20070301
2007-04-24	EUG	Se: european patent has lapsed
2007-04-25	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20060822
2007-06-01	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST Effective date: 20070430
2007-11-24	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: 20060822
2008-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060831
2009-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070822

Publication	Publication Date	Title
GB8812843D0 (en)	1988-07-06	Pistons
GB8730338D0 (en)	1988-02-03	Engine piston & method for manufacture
GB8802233D0 (en)	1988-03-02	Cylinder block for i c engine
GB8812519D0 (en)	1988-06-29	Lubrication system for rotary piston i c engine
CS153688A2 (en)	1990-02-12	Electromagnet-controlled fuel piston pump
EP0309728A3 (en)	1989-10-04	Piston for axial-piston engines
GB8807432D0 (en)	1988-05-05	Rotary piston engine
GB8827252D0 (en)	1988-12-29	Piston ring for i c engine
GB8801281D0 (en)	1988-02-17	I c piston engine
EP0237853A3 (en)	1988-10-12	Multiple-part internal-combustion engine piston
RO102342B1 (en)	1992-06-26	Piston for hydraulic generators
GB2248654B (en)	1993-09-15	Stepped piston engine
GB8812521D0 (en)	1988-06-29	Lubrication system for rotary piston i c engine
GB8801901D0 (en)	1988-02-24	Rotary piston engine
GB2210951B (en)	1992-01-29	Pistons
GB8704863D0 (en)	1987-04-08	Two stroke engine
GB8712895D0 (en)	1987-07-08	Axial-piston engine
GB8801980D0 (en)	1988-02-24	Improved piston engine
GB8718239D0 (en)	1987-09-09	Piston engine
GB8819087D0 (en)	1988-09-14	Piston
GB8618034D0 (en)	1986-09-03	No piston engine
GB8815054D0 (en)	1988-08-03	Reciprocating i c engine
GB8908520D0 (en)	1989-06-01	Piston engine
GB8614377D0 (en)	1986-07-16	I c piston engine
GB8926260D0 (en)	1990-01-10	Piston engines