Hydraulic control system for a hydrokinetic torque converter

Details Hydraulic control system for a hydrokinetic torque converter Hydraulic control system for a hydrokinetic torque converter

1979-01-23

1981-06-09

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

F16D 3700

Patent

active

042719399

ABSTRACT:
A hydraulic control system for a torque converter including a lockup clutch is disclosed in which a first or feed passageway communicates with a source of pressurized fluid and with a torque converter chamber, a second or discharge passageway communicates with the torque converter chamber and a third passageway communicates with a lock-up control or clutch chamber of the lockup clutch. A lock-up control valve communicates with the same source of pressurized fluid and with the third passageway. The first passageway is provided with a flow restrictor. With the provision of the flow restrictor, the disengagement of the lockup clutch will be assured upon pressurization of the third passageway.

REFERENCES:
patent: 2736412 (1956-02-01), Livezey
patent: 2824632 (1958-02-01), Lucia et al.
patent: 2860747 (1958-11-01), Kelley
patent: 3185273 (1965-05-01), Smirl
patent: 3497043 (1970-02-01), Leonard
patent: 4051932 (1977-10-01), Arai et al.
patent: 4090417 (1978-05-01), Burcz et al.
patent: 4108022 (1978-08-01), Arai et al.

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