Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...
Patent
1989-09-28
1990-11-27
Capossela, Ronald C.
Power plants
Pressure fluid source and motor
Input pump and rotary output motor system having...
60487, F16D 3900
Patent
active
049726757
ABSTRACT:
A hydraulically operated continuously variable transmission comprises a hydraulic pump and a hydraulic motor having a motor cylinder including an integral tubular member. A distribution disc is coupled to the motor cylinder at one end of the tubular portion and has oil passages communicating with the hydraulic pump and the hydraulic motor. A hollow fixed shaft is inserted in the tubular member, and a distribution ring is axially movably mounted on the fixed shaft and has an end face slidably held against the distribution disc. A mechanical seal assembly includes an annular rotatable seal member rotatably disposed in the tubular member, and an annular fixed seal member axially movably, but nonrotatably, mounted on the fixed shaft. A compression spring is disposed between the fixed seal member and the distribution ring and is resiliently extensible for applying a preload to abut an axial end face of the fixed seal member against an axial end face of the rotatable seal member and a preload to abut the end face of the distribution ring against the distribution disc.
REFERENCES:
patent: 4341133 (1982-07-01), Sakamoto
patent: 4754603 (1988-07-01), Rosman
patent: 4779417 (1988-10-01), Kita
patent: 4838024 (1989-06-01), Yamamoto et al.
patent: 4850192 (1989-07-01), Mitsumasa et al.
patent: 4887428 (1989-12-01), Iino
patent: 4916901 (1990-04-01), Hayash et al.
Iino Takashi
Katagiri Yoshihiro
Kawahara Eiichiro
Sawa Yasuhiro
Capossela Ronald C.
Honda Giken Kogyo Kabushiki Kaisha
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