Wheel angular acceleration sensor for anti-lock controller for v

Details Wheel angular acceleration sensor for anti-lock controller for v Wheel angular acceleration sensor for anti-lock controller for v

1987-12-01

1989-05-30

Butler, Douglas C.

Brakes

Operators

Speed-responsive

188344, 303113, B60T 834, B60T 846

Patent

active

048342211

ABSTRACT:
In a wheel angular acceleration sensor for an anti-lock controller for sensing the locking tendency of a vehicle wheel being braked on the basis of overrunning and attendant axial displacement of a flywheel to produce a control signal for a braking force, the flywheel is connected through a clutch and a cam mechanism with an output shaft rotatable in accordance with rotation of the wheel, the cam mechanism being operable in response to overrunning of the flywheel to provide an axial displacement to the flywheel and comprising a drive cam plate supported on the output shaft through a bearing against axial movement and a follower cam plate connected to the flywheel and adapted to cooperate with the drive cam plate. In addition, the clutch, which is adapted to transmit a driving torque of the output shaft to the flywheel so as to permit overrunning of the flywheel when the wheel is about to become locked, includes a friction clutch plate axially movably connected to the output shaft and opposed to the drive cam plate on the opposite side from the follower cam plate, and a clutch spring for urging the clutch plate into engagement with the drive cam plate.

REFERENCES:
patent: 4660683 (1987-04-01), Hayashi et al.
patent: 4664233 (1987-05-01), Tsuchida et al.
patent: 4673221 (1987-06-01), Hayashi et al.
patent: 4694938 (1987-09-01), Hayashi et al.
patent: 4697825 (1987-10-01), Hayashi et al.
patent: 4702339 (1987-10-01), Hayashi et al.
patent: 4723638 (1988-02-01), Tsuchida
patent: 4733757 (1988-03-01), Hayashi et al.
patent: 4735464 (1988-04-01), Tsuchida
patent: 4745994 (1988-04-01), Tsuchida et al.
patent: 4760899 (1988-08-01), Hayashi et al.
patent: 4766982 (1988-08-01), Hayashi et al.
patent: 4770473 (1988-09-01), Tsuchida

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