Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...
Patent
1991-04-12
1992-10-13
Olszewski, Robert P.
Motor vehicles
Having four wheels driven
With differential means for driving two wheel sets at...
192 58R, B60K 17344
Patent
active
051542528
ABSTRACT:
A power transmission apparatus for vehicles for transmitting a driving force by coupling an input shaft and an output shaft of a hydraulic pump to respective driving shafts of front and rear wheels of a four-wheel drive vehicle, wherein a throttle member which is located on the axis of a rotor and a casing interlocking respectively with the input and output shafts, rotated with interlocking with one of the rotor and casing and disposed movably along the axis to change the hydraulic fluid discharge passage area of the hydraulic pump responsive to its movement, and a driving unit which includes a magnetic member coupled coaxially to the throttle member and a coil installed around the magnetic member and supported nonrotatably, and moves the throttle member by movement of the magnetic member in connection with excitation of the coil are provided.
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Hagashira Hideki
Hirakushi Shuzo
Kawai Satoshi
Kawano Akihiko
Koyo Seiko Co. Ltd.
Olszewski Robert P.
Reiss Steven M.
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