Hydraulic torque converter

Details Hydraulic torque converter Hydraulic torque converter

1977-03-09

1978-07-04

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

60364, 60367, 291568FC, 416180, F16D 3300

Patent

active

040980804

ABSTRACT:
A hydraulic torque converter comprises vaned members, viz. an impeller, a turbine, and a stator designed to take up reactive torque. Each vaned member consists of a casing and an inner ring to which are fixed vanes which form a closed fluid circuit enclosed on the outside by the vaned-member casings which jointly form an outer toroidal surface, the inside enclosure being made up of the inner rings which jointly form an inner toroidal surface. The vanes of at least one of the vaned members are secured to the casing and inner ring by means of tongues fitted into slots provided in said casing and inner ring. Said vanes have a hydrodynamic profile of varying thickness and the body of each vane contains a plate whose projecting elements form said tongues.
The torque converter constituting the present invention, when used in a passenger car, increases the efficiency of the transmission by 1-3 percent.

REFERENCES:
patent: 3503209 (1970-03-01), Loffelholz
patent: 3545883 (1970-12-01), Iijima
patent: 3797243 (1974-03-01), Trusov

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