Oil supply arrangement for gear-shift mechanism

Details Oil supply arrangement for gear-shift mechanism Oil supply arrangement for gear-shift mechanism

1989-08-08

1990-04-10

Braun, Leslie A.

Machine element or mechanism

Gearing

Lubrication

184 624, 2104165, F16H 5704

Patent

active

049149687

ABSTRACT:
A pump 11 is provided in a gear-shift mechanism, in particular a boat reversing gear transmission, in order to supply the hydraulically operated friction clutches with pressurized oil. The pump 11 sucks oil through a fine-mesh filter 19 out of the sump 21. The fine-mesh filter 19 is arranged in a separate filter chamber 12 which is connected through a suction pipe 13, 15 to the sump 21 and to the suction side of the pump 11. The two suction pipes are arranged in such a manner with respect to one another that the filter chamber 12 is always filled with oil. A dry running of the pump 11 during starting is avoided in this manner. The fine-mesh filter 19, in the form of a removable filter cartridge 20, allows the flow of oil from the inside thereof to the outside and is arranged for easy access from above.

REFERENCES:
patent: 1429466 (1922-09-01), Turnbull
patent: 2071529 (1937-02-01), Howard
patent: 2801006 (1957-07-01), Hultgren et al.
patent: 4352301 (1982-10-01), Fleury
"Analyzing Hydraulic Systems", Parker Hannifin Bulletin #0222-B1, Sep. 1984, pp. 10-1 to 10-18.

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