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EP 0478514 A1 19920401 - Variable delivery gear pump.

Title (en)

Variable delivery gear pump.

Title (de)

Zahnradpumpe variabler Durchflussmenge.

Title (fr)

Pompe à engrenages à refoulement variable.

Publication

EP 0478514 A1 19920401 (EN)

Application

EP 91830381 A 19910918

Priority

IT 6772290 A 19900926

Abstract (en)

A geared pump (10) with a variable flow rate, in which the gears (14, 16) can slide axially relative to each other, has a pair of cup-shaped sealing elements (36, 40) adapted substantially to fill the spaces between adjacent teeth and having slots (37) in which the tips of the teeth of the gears are disposed. <IMAGE>

IPC 1-7

F04C 15/04

IPC 8 full level

F04C 14/18 (2006.01); F04C 2/18 (2006.01)

IPC 8 main group level

F04B (2006.01)

CPC (source: EP)

F04C 14/185 (2013.01); F04C 2/18 (2013.01)

Citation (search report)

[X] GB 1265407 A 19720301
[X] US 3588295 A 19710628 - BURK LOWELL E

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR LI LU NL SE

DOCDB simple family (publication)

EP 0478514 A1 19920401; IT 1241688 B 19940131; IT 9067722 A0 19900926; IT 9067722 A1 19920326

DOCDB simple family (application)

EP 91830381 A 19910918; IT 6772290 A 19900926