Nonstep hydrostatic transmission

Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...

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60488, 60494, F16D 3900

Patent

active

053535952

ABSTRACT:
A clutch valve is constituted with a valve cylinder fitted in and fixed to the center of a cylinder block in a manner to form with the cylinder a third ring-shaped oil passage and a second ring-shaped oil passage to communicate with a first ring-shaped oil passage and a valve body slidably fitted in the valve cylinder in a switchable manner to communicate between the third and second ring-shaped oil passages and/or shut them off from each other.

REFERENCES:
patent: 4860540 (1989-08-01), Hayashi et al.
patent: 5054289 (1991-10-01), Nagatomo

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