192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1990-07-31
1991-11-26
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 331, B60K 4102
Patent
active
050676032
ABSTRACT:
An apparatus for controlling a hydraulic clutch, including a two-position clutch control valve, a two-position rapid clutch release valve, and a first fluid passage system for releasing the clutch, a second fluid passage system for engaging the clutch, and a third fluid passage system for releasing the clutch. These three passage systems for feeding and discharging a fluid into and from the clutch are selected by respective three combinations of the operating positions of the two valves. Normally, a predetermined one of the first and third passage systems is selected for releasing the clutch, and the other of these two systems is selected in the event of a trouble with the valves.
REFERENCES:
patent: 4441385 (1984-04-01), Taga et al.
patent: 4589537 (1986-05-01), Nishikawa et al.
patent: 4650047 (1987-03-01), Nishikawa et al.
patent: 4697474 (1987-10-01), Sumiya et al.
patent: 4744269 (1988-05-01), Greene
patent: 4785689 (1988-11-01), Iwatsuki
Habuchi Ryoji
Itoh Hiroshi
Kato Nobuyuki
Morisawa Kunio
Bonck Rodney H.
Toyota Jidosha & Kabushiki Kaisha
Whitelaw Nicholas
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