Expander band for hydrostatic transmission

Details Expander band for hydrostatic transmission Expander band for hydrostatic transmission

1990-02-22

1991-01-08

Smith, Leonard E.

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

417462, 92 58, 91491, 91497, 60464, F01B 1306, F04B 1902

Patent

active

049825666

ABSTRACT:
The present invention is an expander band for use in hydraulic pumps, motors, and hydrostatic transmissions. The band has a plurality of elongated slots located circumferentially which receive slippers attached to pistons. One reduced dimension slot fixes the position of a slipper relative to the expander band while the other slippers move within the elongated slots. The fixed slipper limits the range of movement of the other slippers relative to the band, and thus the slippers avoid abutting the side ends of the elongated slots.

REFERENCES:
patent: 3751924 (1973-08-01), Brown et al.
patent: 4030405 (1977-06-01), Aldinger et al.
patent: 4635535 (1987-01-01), Thoma et al.
patent: 4691512 (1987-09-01), Thoma et al.
patent: 4914914 (1990-04-01), Inoue

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