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Schneider Raymond C, Snoy Joseph B: Electronically controlled power transmission. Twin Disc Incorporated, Nilles James E, April 23, 1974: US3805640 (73 worldwide citation)

A power transmission includes an engine-driven lock-up type torque converter for driving a speed changing gear shift mechanism shiftable to different speed ranges by solenoid operated clutch valves. An electronic controller provides output signals to operate the clutch valves and also to inhibit loc ...


2
Snoy Joseph B, Gill Michael E: Power transmission having friction clutch bias differential with automatic clutch release. Twin Disc Incorporated, Nilles James E, July 15, 1975: US3894446 (49 worldwide citation)

A power transmission for an all-wheel drive earth moving truck of the off-highway type. More specifically, an inter-axle friction clutch biased differential with automatic clutch release for such a power transmission. The differential is equipped with a clutch which provides a predetermined amount o ...


3
Snoy Joseph B, Shull Bradford K: Transmission with simultaneously engaged clutches for braking. Twin Disc Incorporated, March 28, 1972: US3651904 (15 worldwide citation)

A power transmission of the type having interchangeable gear sets connected to hydraulically actuated friction clutches. The clutches are selectively engageable to establish various gear ratios for changing the speed and direction of the vehicle. A brake is provided for the transmission by engaging ...


4
Snoy Joseph B, White Basil: Friction plate clutch having means to dampen plate flutter. Twin Disc Incorporated, January 4, 1972: US3631953 (12 worldwide citation)

A friction plate-type clutch having interleaved clutch plates that can be axially clamped up to cause clutch engagement, or alternatively can be released by causing their axial separation. Resilient means are provided between the radially inner set of clutch plates, which means act to cause the radi ...


5
Snoy Joseph B, Shull Bradford K: Selector valve assembly with mechanical latch. Twin Disc Incorporated, June 6, 1972: US3667501 (5 worldwide citation)

A selector valve assembly for use with power shift transmissions to select various operating speed ranges, and of the type having a plurality of shiftable hydraulic spools. The assembly includes a mechanical latch plate for holding the selected spools in an extended, operative position. A neutral pi ...


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Snoy Joseph B: Hydraulically operated clutch mechanism. Twin Disc Clutch Co, May 13, 1964: GB957912-A

957,912. Change-speed and clutch control. TWIN DISC CLUTCH CO. Feb. 13, 1961, No. 5327/61. Headings F2C, F2D and F2L. In a pair of hydraulic multi-disc clutches 14, 15 for driving the pinions 17, 19 of a changespeed or reverse gear, a continuous flow of low pressure liquid is maintained through the ...