F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 61/48 (2006.01) F16H 41/24 (2006.01)
Patent
CA 2363512
A variable stall speed control device is used with a torque converter of an automatic transmission of an engine for improving the stall speed property of a mechanical power transmission torque converter. The variable stall speed control device includes a lubricating fluid flow housing (4) having one or more internal fluid routing pathways connected to a lubricating fluid reservoir(3). The housing has a fluid inlet (14) and one or more fluid outlets (11) (12) (13) (15). The internal fluid volume of the housing (4) has a connector (11) connected to the torque converter (6) for regulating fluid flow between the housing (4) and the torque converter (6). The internal fluid volume of the housing (4) has a controllable fluid-flow drain (12) (13) for reducing fluid pressure, respectively, in the fluid-flow connector (11) and in the torque converter (6). The controllable fluid-flow drain has a controllable valve therein and an internal fluid routing pathway governed by the controllable valve for controllably and selectively draining torque converter lubricating fluid from the torque converter (6) for producing controlled intermittent on demand pressure reduction in the lubricating fluid within the torque converter (6) by diverting a flow of lubricating fluid from the fluid-flow connector (11) to the drain means (13) to relieve adverse pressure therewithin. The variable stall control shuts off the flow of lubricating fluid to the torque converter (6), thereby producing an immediate fluid pressure drop within the torque converter (6).
Fb Performance Transmission Inc.
Mcfadden Fincham
LandOfFree
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