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Current content: 156 511 693 patent documents

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1 026 356 documents amended

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EP 0107824 A1 19840509 - Internal gear pump.

Title (en)

Internal gear pump.

Title (de)

Zahnradpumpe mit Inneneingriff.

Title (fr)

Pompe à engrenage intérieur.

Publication

EP 0107824 A1 19840509 (EN)

Application

EP 83110014 A 19831006

Priority

JP 19154682 A 19821029

Abstract (en)

An improved internal gear pump having a casing formed with a suction port and a discharge port, an outer rotor and an inner rotor of a paratrochoidal profile. The suction port formed in one end of the casing is formed with an extension protruding in the direction of rotation of the rotors.

IPC 1-7

F04C 2/10

IPC 8 full level

F04C 2/10 (2006.01)

CPC (source: EP)

F04C 2/102 (2013.01)

Citation (search report)

GB 1530529 A 19781101 - MCDERMOTT H
FR 2062388 A5 19710625 - DANFOSS AS
GB 1292840 A 19721011 - DANFOSS AS [DK]
FR 1344769 A 19631129 - MERRITT & COMPANY ENGINEERING

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0107824 A1 19840509; ES 526851 A0 19840916; ES 8407559 A1 19840916; JP S5982594 A 19840512

DOCDB simple family (application)

EP 83110014 A 19831006; ES 526851 A 19831028; JP 19154682 A 19821029