Global patent index - EP 0972941 A2

EP 0972941 A2 2000-01-19 - Gear pump

Title (en)

Gear pump

Title (de)

Zahnradpumpe

Title (fr)

Pompe à engrenages

Publication

EP 0972941 A2 (EN)

Application

EP 99113792 A

Priority

IT MO980158 A

Abstract (en)

The gear hydraulic means (2) includes a housing (12, 20) containing a first and a second cogwheel (4, 6) engaging for interacting with a hydraulic fluid, each wheel (4, 6) being joint to a respective shaft (8, 10) having the ends rotationally supported to said housing (12, 20), and hydraulic sealing means (42, 60) firmly coupled to respective support means (34, 46, 58); a method for producing gear hydraulic means (2) is furthermore provided, including providing a housing (12, 20) suitable to house a first and a second cogwheel (4, 6) engaging for interacting with a hydraulic fluid, providing furthermore a shaft firmly coupled to each wheel and having the ends rotationally supported to said housing (12, 20), and firmly coupling hydraulic sealing means (42, 60) to respective support means (34, 46, 58). <IMAGE>

IPC 1-7 (main, further and additional classification)

F04C 2/18; F04C 15/00

IPC 8 full level (invention and additional information)

F04C 15/00 (2006.01)

CPC (invention and additional information)

F04C 15/0026 (2013.01)

Citation (applicant)

None

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0972941 A2 20000119; EP 0972941 A3 20010808; IT 1309787 B1 20020130; IT MO980158 A1 20000117

INPADOC legal status

2003-06-18 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20021207

2002-07-17 [17Q] FIRST EXAMINATION REPORT

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- Effective date: 20020528

2002-05-02 [AKX] PAYMENT OF DESIGNATION FEES

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2002-04-17 [17P] REQUEST FOR EXAMINATION FILED

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- Effective date: 20020208

2001-08-08 [AK] DESIGNATED CONTRACTING STATES:

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- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-08-08 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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2000-01-19 [AK] DESIGNATED CONTRACTING STATES:

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- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-01-19 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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- Free Format Text: AL;LT;LV;MK;RO;SI