Torque converter

Details Torque converter Torque converter

2005-04-19

2005-04-19

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

C060S367000

Reexamination Certificate

active

06880330

ABSTRACT:
A torque converter defines an ellipticity lower than or equal to 0.23 which is an outermost length of the torque converter in an axial direction, divided by an outermost diameter of the torque converter in a radial direction. The torque converter includes: a pump impeller connecting to an input shaft; a turbine runner opposed to the pump impeller and connecting to an output shaft; and a stator disposed between an inlet of the pump impeller and an outlet of the turbine runner, by way of a one way clutch which allows a one way rotation. The torque converter transmits a power by circulating a fluid through the pump impeller, the turbine runner and the stator. A first area ratio A is: 0.23≦A≦0.45, A second area ratio B is: 0.23≦B≦0.45, and A third area ratio C is: 0.15≦C<0.23.

REFERENCES:
patent: 4044556 (1977-08-01), Kuramochi et al.
patent: 4186557 (1980-02-01), Arai et al.
patent: 4866935 (1989-09-01), Hayabuchi et al.
patent: 5058027 (1991-10-01), Becraft
patent: 5241820 (1993-09-01), Fukunaga et al.
patent: 5884535 (1999-03-01), Fukunaga
patent: 11-63149 (1999-03-01), None

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