Hydraulic continuously variable transmission

Details Hydraulic continuously variable transmission Hydraulic continuously variable transmission

2006-06-20

2006-06-20

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

Reexamination Certificate

active

07062909

ABSTRACT:
A hydraulic continuously variable transmission with a fixed displacement type swash plate plunger pump and a variable displacement type swash plate plunger motor are connected to each other through a closed hydraulic circuit. A motor pivot member is supported to be pivotally movable in a support member. The motor pivot member includes an upwardly extending arm portion. The tip end of the arm portion is movable in the axial direction by a motor servo mechanism, to pivotally move the motor pivot member. A transmission housing is provided with an auxiliary portion surrounding the motor servo mechanism and the tip of the arm portion, and a servo motor is mounted to a side surface on one end side, in the direction of the axis of rotation of an output shaft. A side of the housing auxiliary portion, opposite the servo motor, includes an identification number display portion.

REFERENCES:
patent: 4781022 (1988-11-01), Hayashi et al.
patent: 5353595 (1994-10-01), Hayashi et al.
patent: 6588207 (2003-07-01), Pouliot
patent: 2002/0007633 (2002-01-01), Saito et al.
patent: 63140163 (1988-06-01), None
patent: 06002753 (1994-01-01), None

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