1
Raymond C Schneider, Paul A Pelligrino: Modulatable power transmission clutch. Twin Disc Incorporated, James E Nilles, February 5, 1980: US04186829 (16 worldwide citation)

A modulatable power transmission clutch has a rotatable driving member, a rotatable driven member, and slippingly engagable clutch plates between said members which are movable into engagement by a fluid-applied spring-released movable piston having two separate fluid application areas thereon, with ...


2
Raymond C Schneider, Robert W Meyer, Gerald C Borgelt: Power transmitting mechanism for starting a high inertia load and having retarder means for auxiliary starting motor. Twin Disc Incorporated, James E Nilles, April 20, 1976: US03951008 (14 worldwide citation)

A power transmitting mechanism for starting a load which is either of high inertia or of high starting torque and which is to be driven at a high speed through a high reduction ratio. The load has a main power source and also an axuiliary power source which initially turns over the load from a zero ...


3
Raymond C Schneider: Ship propulsion transmission having a torque converter for driving a fixed pitch propeller in reverse. Twin Disc Incorporated, James E Nilles, December 15, 1981: US04305710 (12 worldwide citation)

A propulsion transmission for driving a fixed pitch propeller of a ship, the transmission including a prime mover, that is a power source, such as a gas turbine engine, or a diesel engine for example, and also having a disengageable clutch between the prime mover and the propeller and for transmitti ...


4
Raymond C Schneider, Clairdel C Cox: Control system for rotary drill. Twin Disc Incorporated, James E Nilles, January 10, 1978: US04067423 (6 worldwide citation)

A mobile rig for drilling blast holes comprises a rotatable drill holder mounted on an upright mast. A torque converter and transmission are connected between a prime mover (I.C. engine or electric motor) on the rig and the drill holder. The torque converter includes a servo controlled modulatable t ...


5
Raymond C Schneider, Paul A Pelligrino: Swing control for crane. Twin Disc Incorporated, James E Nilles, January 31, 1978: US04070926 (6 worldwide citation)

A power transmission system for swinging the upper section of a mobile crane in opposite directions comprises a prime mover, a torque converter, a modulatable torque converter clutch connected between the prime mover and the torque converter, and a transmission connected to be driven by the torque c ...


6
Raymond C Schneider: Hydraulic retarder for multi-speed power transmissions. Twin Disc Incorporated, James E Nilles, April 21, 1981: US04262781 (3 worldwide citation)

A hydraulic retarder in conjunction with a multi-speed power transmission that finds particular utility for off-highway trucks. The hydraulic retarder is continuously filled with oil and is positioned in series with a hydraulically actuated friction type clutch. The retarder remains filled at all ti ...