Hydraulic power transmission joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 10, 2001
Grant Date -
N/A
app pub date -
Apr 21, 2000
filing date -
Apr 26, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plunger is accommodated in each of a plurality of plunger chambers formed axially in a rotor, with the plunger being displaced by rotation of a cam face associated with a housing. A first one way valve for intake is incorporated in the head of each plunger and a second one way valve for discharge is disposed within in a discharge hole leading to the plunger chambers. The intake stroke of the plunger caused by rotation of the cam opens the first one way valve to suck oil from a low pressure chamber into the plunger chamber. The discharge stroke of the plunger opens the second one way valve to allow the discharged oil to flow through the orifice into the low pressure chamber, whereby a torque corresponding to the relative rotational-speed difference is transmitted from the housing side to the rotor side.
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