Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...
Patent
1988-09-08
1989-08-29
Look, Edward K.
Power plants
Pressure fluid source and motor
Input pump and rotary output motor system having...
91506, F16D 3900
Patent
active
048605409
ABSTRACT:
A static hydraulic pressure type continuously variable transmission formed with a hydraulic closed circuit between a swashplate type hydraulic pump and a swashplate type hydraulic motor, the hydraulic motor being constructed such that its motor cylinder is integrally connected to an output shaft which extends through a motor swashplate and a swashplate holder for supporting the back surface of the motor swashplate, a swashplate anchor for supporting the back surface of the swashplate holder being axially immovably connected to the output shaft through a thrust bearing, and that the swashplate anchor is unrotatably connected to a casing which rotatably supports the output shaft. The motor cylinder and a pump cylinder of the hydraulic pump are provided coaxially with the hydraulic closed circuit interposed therebetween. The hydraulic closed circuit is provided with a distribution valve for bringing low and high pressure oil passages, which are in communication with cylinder bores of the pump cylinder, into selective communication with cylinder bores of the motor cylinder, and a clutch valve for controlling communication between the low and high pressure oil passages. Where the swashplate type hydraulic motor is of a variable capacity type, means is provided which adjusts an angle of inclination of the motor swashplate to effect speed change control.
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Hashimoto Eiichi
Hayashi Tsutomu
Honda Giken Kogyo Kabushiki Kaisha
Look Edward K.
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