EP0363420A1 - Pumpe. - Google Patents

Pumpe.

Info

Publication number: EP0363420A1
Authority: EP; European Patent Office
Prior art keywords: resp; pump; cursor; intersection; ensure
Prior art date: 1987-06-05
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

EP88905368A

Other languages

English (en)

French (fr)

Other versions

EP0363420B2 (de

EP0363420B1 (de

Inventor

Paul G Langer

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.)

Herold and Co GmbH

Original Assignee

BSA Maschinenfabrik Paul G Langer 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.)

1987-06-05

Filing date

1988-06-04

Publication date

1990-04-18

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6329129&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0363420(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1988-06-04 Application filed by BSA Maschinenfabrik Paul G Langer GmbH filed Critical BSA Maschinenfabrik Paul G Langer GmbH

1988-06-04 Priority to AT88905368T priority Critical patent/ATE61083T1/de

1990-04-18 Publication of EP0363420A1 publication Critical patent/EP0363420A1/de

1991-02-27 Application granted granted Critical

1991-02-27 Publication of EP0363420B1 publication Critical patent/EP0363420B1/de

1996-02-07 Publication of EP0363420B2 publication Critical patent/EP0363420B2/de

2008-06-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps 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
- F04C2/16—Rotary-piston machines or pumps 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/126—Rotary-piston machines or engines 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 elements extending radially from the rotor body not necessarily cooperating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

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

EP88905368A 1987-06-05 1988-06-04 Pumpe Expired - Lifetime EP0363420B2 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT88905368T ATE61083T1 (de)	1987-06-05	1988-06-04	Pumpe.

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19873718866 DE3718866A1 (de)	1987-06-05	1987-06-05	Pumpe
DE3718866		1987-06-05
PCT/EP1988/000498 WO1988009877A1 (fr)	1987-06-05	1988-06-04	Pompe

Publications (3)

Publication Number	Publication Date
EP0363420A1 true EP0363420A1 (de)	1990-04-18
EP0363420B1 EP0363420B1 (de)	1991-02-27
EP0363420B2 EP0363420B2 (de)	1996-02-07

Family

ID=6329129

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88905368A Expired - Lifetime EP0363420B2 (de)	1987-06-05	1988-06-04	Pumpe

Country Status (3)

Country	Link
EP (1)	EP0363420B2 (de)
DE (2)	DE3718866A1 (de)
WO (1)	WO1988009877A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4121684C2 (de) *	1991-06-29	1999-04-01	Herold & Co Gmbh	Pumpe
DE102006041633A1 (de) *	2006-09-05	2008-03-13	Herold & Co. Gmbh	Pumpe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1142734A (en) *	1913-04-30	1915-06-08	Charles W Sidwell	Pump.
GB382953A (en)	1930-06-11	1932-11-10	Commercial Patents Inc	Fluid apparatus provided with co-operating rotary pistons
FR718487A (fr) *	1930-06-11	1932-01-25	Commercial Patents Inc	Pompe ou moteur hydraulique à pistons rotatifs multiples agissant simultanément
US2982221A (en) *	1958-07-02	1961-05-02	Joseph E Whitfield	Gear pump
DE3502839A1 (de)	1985-01-29	1986-07-31	Bsa Maschinenfabrik Paul G. Langer Gmbh, 8581 Marktschorgast	Pumpe

1987
- 1987-06-05 DE DE19873718866 patent/DE3718866A1/de not_active Withdrawn
1988
- 1988-06-04 EP EP88905368A patent/EP0363420B2/de not_active Expired - Lifetime
- 1988-06-04 WO PCT/EP1988/000498 patent/WO1988009877A1/de not_active Ceased
- 1988-06-04 DE DE8888905368T patent/DE3861857D1/de not_active Expired - Lifetime

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8809877A1 *

Also Published As

Publication number	Publication date
EP0363420B2 (de)	1996-02-07
WO1988009877A1 (fr)	1988-12-15
DE3718866A1 (de)	1988-12-22
DE3861857D1 (de)	1991-04-04
EP0363420B1 (de)	1991-02-27

Legal Events

Date	Code	Title	Description
1990-03-03	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
1990-04-18	17P	Request for examination filed	Effective date: 19890831
1990-04-18	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI NL SE
1990-09-19	17Q	First examination report despatched	Effective date: 19900803
1991-01-12	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-02-27	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI NL SE
1991-02-27	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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 19910227 Ref country code: BE Effective date: 19910227
1991-02-27	REF	Corresponds to:	Ref document number: 61083 Country of ref document: AT Date of ref document: 19910315 Kind code of ref document: T
1991-03-15	ET	Fr: translation filed
1991-03-27	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1991-04-04	REF	Corresponds to:	Ref document number: 3861857 Country of ref document: DE Date of ref document: 19910404
1991-06-04	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: AT Effective date: 19910604
1991-06-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19910630 Ref country code: CH Effective date: 19910630
1991-12-03	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1992-01-22	26	Opposition filed	Opponent name: LEYBOLD AKTIENGESELLSCHAFT Effective date: 19911126
1992-02-28	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1992-03-16	NLR1	Nl: opposition has been filed with the epo	Opponent name: LEYBOLD AKTIENGESELLSCHAFT
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 88905368.2
1995-05-24	REG	Reference to a national code	Ref country code: GB Ref legal event code: 732E
1995-06-16	REG	Reference to a national code	Ref country code: FR Ref legal event code: TP
1995-08-01	NLS	Nl: assignments of ep-patents	Owner name: HEROLD & CO. GMBH
1996-01-08	PUAH	Patent maintained in amended form	Free format text: ORIGINAL CODE: 0009272
1996-01-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: PATENT MAINTAINED AS AMENDED
1996-02-07	27A	Patent maintained in amended form	Effective date: 19960207
1996-02-07	AK	Designated contracting states	Kind code of ref document: B2 Designated state(s): AT BE CH DE FR GB IT LI NL SE
1996-02-07	RAP2	Party data changed (patent owner data changed or rights of a patent transferred)	Owner name: HEROLD & CO. GMBH
1996-02-29	REG	Reference to a national code	Ref country code: CH Ref legal event code: AEN Free format text: AUFRECHTERHALTUNG DES PATENTES IN GEAENDERTER FORM
1996-04-01	NLR2	Nl: decision of opposition
1996-04-01	NLT2	Nl: modifications (of names), taken from the european patent patent bulletin	Owner name: HEROLD & CO. GMBH
1996-06-05	GBTA	Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977)	Effective date: 19960508
1996-06-07	ET3	Fr: translation filed ** decision concerning opposition
1996-07-01	NLR3	Nl: receipt of modified translations in the netherlands language after an opposition procedure
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2007-06-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20070618 Year of fee payment: 20
2007-06-26	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 20070626 Year of fee payment: 20
2007-08-17	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20070817 Year of fee payment: 20
2007-11-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20070618 Year of fee payment: 20
2008-04-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20070619 Year of fee payment: 20
2008-06-25	REG	Reference to a national code	Ref country code: GB Ref legal event code: PE20 Expiry date: 20080603
2008-08-01	NLV7	Nl: ceased due to reaching the maximum lifetime of a patent	Effective date: 20080604
2008-08-19	EUG	Se: european patent has lapsed
2008-10-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20080604
2008-11-28	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 EXPIRATION OF PROTECTION Effective date: 20080603

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