Gear pump for oil for an internal-combustion engine, in particul

Details Gear pump for oil for an internal-combustion engine, in particul Gear pump for oil for an internal-combustion engine, in particul

1994-04-28

1995-03-07

Bertsch, Richard A.

Pumps

Motor driven

Pump and motor interconnected by endless flexible...

417364, 418135, 418171, F04B 1700

Patent

active

053952170

ABSTRACT:
The invention relates to a gear pump for oil for an internal-combustion engine, in particular for motor vehicles, comprising a pump housing mounted on the motor and an outer rotor which is arranged in the pump housing, an inner rotor additionally being arranged within the outer rotor or within the pump housing and at least one suction and/or at least one pressure passage being provided in the pump housing, a drive further being present; the pump according to the invention is integrated in a drive wheel or guide pulley of the internal-combustion engine and the outer rotor or the outer rotors are driven by the drive wheel or the guide pulley.

REFERENCES:
patent: 1486836 (1924-03-01), Hill
patent: 3407741 (1968-10-01), Weber et al.
patent: 3563679 (1971-02-01), Richardson
patent: 4185717 (1980-01-01), Ford, Jr. et al.
patent: 4295807 (1981-10-01), Kruger
patent: 4518332 (1985-05-01), Saegusa
patent: 4540347 (1985-09-01), Child
patent: 4827881 (1989-05-01), Baker et al.
patent: 4976595 (1990-12-01), Taniguchi

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