Roland J Mitchell: Fan drive hydraulic coupling. Wallace Murray Corporation, Thomas J Greer Jr, June 22, 1976: US03964582 (42 worldwide citation)

A fan drive structure for the cooling system of an internal combustion engine. A drive disc rotates within a housing cavity having a silicone oil therein. The housing carries a fan. The improvement comprising coating the sides of the drive disc with a polyphenylene sulfide material. The material coa ...

Schleifer Ronald H, Price James E, Bowden Henry J: Abrasive powder of fused alumina containing vanadium tetroxide. Wallace Murray Corporation, Reed Louis F, February 19, 1974: US3792553 (31 worldwide citation)

Excellent abrasive materials are provided by incorporating between about 0.1 and 7.5 percent, preferably 0.25 and 5.0 percent, and optimally about 1.5 percent by weight of vanadium tetroxide into a material high in alumina content, such as bauxite, corundum and relatively pure alumina. The vanadium ...

Thomas S Stellinger, Stephen R Crosby: Saw blade and method of making. Wallace Murray Corporation, November 11, 1980: US04232578 (29 worldwide citation)

A saw blade having improved metal cutting characteristics in which the tip of each tooth is formed to provide a primary rake face extending from the tip of the tooth for a distance of 0.007 to 0.020 inch and having a positive rake angle of 12.degree. to 25.degree., a secondary rake face extending fr ...

Paul J Haeck: Fluid shear coupling apparatus. Wallace Murray Corporation, Woodward Weikart Emhardt & Naughton, September 13, 1983: US04403684 (28 worldwide citation)

A fluid shear coupling apparatus is disclosed herein which includes a driving member received within a working chamber defined by a driven member. The driven member is mounted with needle bearings to a shaft portion of the driving member to have the members rotatable about a common axis. The driving ...

Michael Shepherd: Meta reinforced plastic damper hub. Wallace Murray Corporation, Thomas J Greer Jr, December 18, 1979: US04178811 (28 worldwide citation)

A torsional vibration damper of the type having an outer inertia ring, a radially intermediate elastomer annulus, and a radially innermost hub. The polar moment of inertia of the entire damper is reduced by forming the hub of a low density material such as aluminum or plastic. The specific improveme ...

Rudolph A Skriletz, Virgil D Kendall: Fluid-release mold and the method of manufacturing the same. Wallace Murray Corporation, Schuyler Birch Swindler, November 23, 1976: US03993727 (27 worldwide citation)

A fluid-releasable mold for forming shaped ware including a porous mold body comprising at least 70% alumina, up to 15% ball clay and up to 15% talc is disclosed. A mold face is formed on one surface of the mold body and fluid-permeable conduit is provided in communication with a second surface of t ...

Gulshan K Arora: Floating ring bearing structure and turbocharger employing same. Wallace Murray Corporation, Woodard Weikart Emhardt & Naughton, March 17, 1981: US04256441 (25 worldwide citation)

A bearing structure including a bearing housing, a thrust sleeve retained within the bearing housing, a pair of bearing sleeves received within the bearing housing on opposite sides of the thrust sleeve, and a shaft received within the thrust sleeve and bearing sleeves. The thrust sleeve is retained ...

Wilbur Allen Spraker Jr, Robert Lynn Stewart: Variable exducer turbine control. Wallace Murray Corporation, Thomas J Greer Jr, November 30, 1976: US03994620 (24 worldwide citation)

A device for varying the operating characteristics of a turbocharger. A control ring is adjustably mounted within the turbine exhaust passage, adjacent and partially surrounding the exducer portion of the turbine impeller. Axial movement of the ring relative to the impeller changes the proportion of ...

Joseph T Blucher, Stephen R Crosby, Dennis W Stephens: Band saw machine. Wallace Murray Corporation, November 28, 1978: US04127045 (23 worldwide citation)

A band saw machine is provided with a guide for the blade which repeatedly moves the cutting reach of the blade laterally of its longitudinal axis and in the plane of the reach while the blade is advancing longitudinally to provide greatly improved sawing speed.

Raymond James Maci: Fan drive fluid circulation apparatus. Wallace Murray Corporation, Thomas J Greer Jr, February 15, 1977: US04007819 (23 worldwide citation)

A shear liquid fan drive assembly for radiator cooling system of an internal combustion engine of the type wherein a temperature responsive valve controls the degree of rotary coupling between the engine and a radiator cooling fan by controlling the quantity of shear liquid between a driving disc an ...