Hydraulic torque impulse generator

Details Hydraulic torque impulse generator Hydraulic torque impulse generator

1987-09-30

1988-08-30

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Fluid coupling

For transmitting limited pulsating torque

173 935, B25B 2102, B25D 1500

Patent

active

047673796

ABSTRACT:
A hydraulic torque impulse generator comprises a drive member (10) drivingly connected to rotation motor and including a cylindrical fluid chamber (11) which is partly defined by a circumferential wall (23) of a non-constant radius, an output spindle (12) rotatably supported in a coaxial relationship with said drive member (10) and comprising a rear portion (13) which extends into said fluid chamber (11) and which has two radial slots (29, 30) in which seal rollers (27, 28) are radially movable. The drive member (10) has a rear end wall (20) which is formed with a forwardly extending hub portion (25) on which is rigidly attached a cam element (26) for positive engagement with the seal rollers (27,28) to move the latters outwardly toward the fluid chamber wall (23) during rotation of said drive member (10) relative to said output spindle (12).

REFERENCES:
patent: 3214941 (1965-11-01), Shulters
patent: 3263449 (1966-08-01), Kramer
patent: 3552499 (1971-01-01), Maurer
patent: 3734205 (1973-05-01), Maurer
patent: 4347902 (1982-09-01), Wallace et al.
patent: 4553948 (1985-11-01), Tatsuno

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