Charging pump for a hydrostatic transmission

Details Charging pump for a hydrostatic transmission Charging pump for a hydrostatic transmission

1996-11-15

1999-01-26

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

With means purging, cleaning or separating undesirables from...

60488, 418131, 418135, F16D 3102

Patent

active

058626646

ABSTRACT:
A hydrostatic transmission and a charge pump for supplying operating oil which are housed in a housing, in which a pump casing of the charge pump is mounted to a center section of the hydrostatic transmission without using mounting bolts. A spring is interposed between the pump casing and the inner surface of the housing. For defining pump discharge pressure, the center section receives all of the radial force generated in the pump casing. Between the center section and the charge pump is interposed a plate of material made of less friction resistance so as to reduce the sliding resistance. The charge pump is simple in construction and inexpensive to produce.

REFERENCES:
patent: 3171359 (1965-03-01), Spencer et al.
patent: 3360933 (1968-01-01), Swanson et al.
patent: 5311740 (1994-05-01), Shiba et al.
patent: 5456068 (1995-10-01), Ishii et al.

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