EP0398020A3 - Innenzahnradpumpe - Google Patents
Innenzahnradpumpe Download PDFInfo
- Publication number
- EP0398020A3 EP0398020A3 EP19900106863 EP90106863A EP0398020A3 EP 0398020 A3 EP0398020 A3 EP 0398020A3 EP 19900106863 EP19900106863 EP 19900106863 EP 90106863 A EP90106863 A EP 90106863A EP 0398020 A3 EP0398020 A3 EP 0398020A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- filler
- internal gear
- gear pump
- pressure
- piece
- 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.)
- Granted
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
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/101—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3916155 | 1989-05-18 | ||
DE19893916155 DE3916155A1 (de) | 1989-05-18 | 1989-05-18 | Innenzahnradpumpe |
DE9002160U DE9002160U1 (de) | 1990-02-23 | 1990-02-23 | Innenzahnradpumpe |
DE9002160U | 1990-02-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0398020A2 EP0398020A2 (de) | 1990-11-22 |
EP0398020A3 true EP0398020A3 (de) | 1992-03-04 |
EP0398020B1 EP0398020B1 (de) | 1993-09-22 |
Family
ID=25880989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90106863A Expired - Lifetime EP0398020B1 (de) | 1989-05-18 | 1990-04-10 | Innenzahnradpumpe |
Country Status (4)
Country | Link |
---|---|
US (1) | US5044905A (de) |
EP (1) | EP0398020B1 (de) |
JP (1) | JPH0311176A (de) |
DE (1) | DE59002796D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1245466B (it) * | 1991-03-19 | 1994-09-20 | Iveco Fiat | Elettropompa per la circolazione di un liquido, ad esempio in un motore a combustione interna |
JP2604289B2 (ja) * | 1991-06-30 | 1997-04-30 | 株式会社ユー・アール・ディー | 定電流給電方式 |
DE102007049704B4 (de) * | 2007-10-17 | 2019-01-31 | Robert Bosch Gmbh | Innenzahnradpumpe für eine Bremsanlage |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2544144A (en) * | 1947-05-07 | 1951-03-06 | Gen Motors Corp | Oil burner pump |
DE2650908A1 (de) * | 1976-11-06 | 1978-05-11 | Bosch Gmbh Robert | Innenzahnradmaschine (pumpe oder motor) |
DE2533646C2 (de) * | 1975-07-28 | 1986-04-17 | Otto Sion Wallis Eckerle | Hochdruck-Zahnradpumpe oder -motor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1653818A1 (de) * | 1967-02-28 | 1971-06-09 | Daimler Benz Ag | Innenverzahnte Zahnradpumpe,insbesondere fuer die Druckmittelversorgung von selbsttaetig schaltenden Kraftfahrzeuggetrieben |
DE2313085C2 (de) * | 1973-03-16 | 1984-05-24 | Otto 7502 Malsch Eckerle | Axial und radial kompensierte Hochdruck-Zahnradpumpe |
DE2641278A1 (de) * | 1976-09-14 | 1978-03-16 | Voith Getriebe Kg | Innenzahnradpumpe |
-
1990
- 1990-04-10 DE DE90106863T patent/DE59002796D1/de not_active Expired - Fee Related
- 1990-04-10 EP EP90106863A patent/EP0398020B1/de not_active Expired - Lifetime
- 1990-05-10 US US07/521,896 patent/US5044905A/en not_active Expired - Fee Related
- 1990-05-18 JP JP2127084A patent/JPH0311176A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2544144A (en) * | 1947-05-07 | 1951-03-06 | Gen Motors Corp | Oil burner pump |
DE2533646C2 (de) * | 1975-07-28 | 1986-04-17 | Otto Sion Wallis Eckerle | Hochdruck-Zahnradpumpe oder -motor |
DE2650908A1 (de) * | 1976-11-06 | 1978-05-11 | Bosch Gmbh Robert | Innenzahnradmaschine (pumpe oder motor) |
Also Published As
Publication number | Publication date |
---|---|
EP0398020B1 (de) | 1993-09-22 |
US5044905A (en) | 1991-09-03 |
EP0398020A2 (de) | 1990-11-22 |
DE59002796D1 (de) | 1993-10-28 |
JPH0311176A (ja) | 1991-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2242269C3 (de) | Zahnradpumpe oder -motor | |
DE69804435T2 (de) | Auslegung von zahnradprofilen | |
DE2533646C2 (de) | Hochdruck-Zahnradpumpe oder -motor | |
DE2318753C2 (de) | Zahnradmaschine | |
EP0043899A1 (de) | Zahnringpumpe | |
EP1701038A3 (de) | Innenzahnradmaschine | |
DE3912965A1 (de) | Aggregat zum foerdern von kraftstoff | |
EP0398020A3 (de) | Innenzahnradpumpe | |
DE1936516C3 (de) | Zahnrad-Pumpe oder -Motor | |
DE4135725C2 (de) | Innenzahnradpumpe mit zwei Hohlrädern und einem gemeinsamen Ritzel | |
DE2024339C2 (de) | Zahnradverdrängermaschine für Flüssigkeiten, insbesondere Zahnradpumpe | |
DE2547994A1 (de) | Zahnradpumpe oder -motor | |
DE2733712C2 (de) | ||
DE1403935A1 (de) | Zahnradpumpe oder Zahnradmotor | |
DE528637C (de) | Drehkolbenpumpe oder -verdichter | |
DE1273898B (de) | Rotationskolben-Brennkraftmaschine in Trochoidenbauart | |
DE2414760A1 (de) | Zahnradpumpe | |
DE1653912C2 (de) | Zahnradpumpe | |
DE2709913C2 (de) | Zahnradpumpe | |
DE819195C (de) | Zahnradpumpe | |
CH647048A5 (de) | Zahnradpumpe. | |
DE2200547C3 (de) | Verzahnung von Zahnradpumpen | |
DE2418032C3 (de) | ||
EP1039135A2 (de) | Sichellose Innenzahnradpumpe mit in die Zahnköpfe eingesetzten Dichtelementen | |
CH617497A5 (en) | Internal-gear pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT SE |
|
ITCL | It: translation for ep claims filed |
Representative=s name: BARZANO' E ZANARDO ROMA S.P.A. |
|
EL | Fr: translation of claims filed | ||
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: HURTH GETRIEBE UND ZAHNRAEDER G.M.B.H. |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT SE |
|
17P | Request for examination filed |
Effective date: 19920212 |
|
17Q | First examination report despatched |
Effective date: 19930209 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT SE |
|
ITF | It: translation for a ep patent filed |
Owner name: BARZANO' E ZANARDO ROMA S.P.A. |
|
REF | Corresponds to: |
Ref document number: 59002796 Country of ref document: DE Date of ref document: 19931028 |
|
ET | Fr: translation filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19940106 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19940411 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
EUG | Se: european patent has lapsed |
Ref document number: 90106863.5 Effective date: 19941110 |
|
ITTA | It: last paid annual fee | ||
REG | Reference to a national code |
Ref country code: FR Ref legal event code: TP |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19990318 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19990419 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19990507 Year of fee payment: 10 |
|
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: 20000410 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20000410 |
|
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: 20001229 |
|
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: 20010201 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
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;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. Effective date: 20050410 |