Oil supplying and discharging structure for canceller in hydraul

Details Oil supplying and discharging structure for canceller in hydraul Oil supplying and discharging structure for canceller in hydraul

1995-07-13

1997-05-20

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 85AA, F16D 250638, F16D 2506

Patent

active

056304927

ABSTRACT:
A support shaft is fixed to a casing of a transmission. A main shaft is relatively rotatably fitted to an inner periphery of the support shaft with a needle bearing interposed therebetween, and a clutch hub is relatively rotatably fitted to an outer periphery of the support shaft. An annular groove is defined around the outer periphery of the support shaft and divided into an oil discharge groove and an oil supply groove by a pair of weirs. An oil supplied from an oil passage is supplied to a canceller oil chamber through the oil supply groove and oil holes in the clutch hub. The oil in the canceller oil chamber is discharged through the oil holes, the oil discharge groove, oil passages in the support shaft, the needle bearing and oil passages in the main shaft. Thus, it is possible to quickly supply and discharge the oil into and from the canceller oil chamber in the hydraulic clutch, thereby preventing a failure of engagement of the hydraulic clutch at the starting of an engine at a low temperature and a dragging of the hydraulic clutch after the starting of an engine.

REFERENCES:
patent: 3243026 (1966-03-01), Snoy et al.
patent: 4458797 (1984-07-01), Hawkins
patent: 4741422 (1988-05-01), Fuehrer et al.
patent: 4957195 (1990-09-01), Kano et al.
patent: 4982826 (1991-01-01), Holbrook
patent: 5069657 (1991-12-01), Taniguchi et al.
patent: 5172799 (1992-12-01), Iijima et al.
patent: 5421439 (1995-06-01), Hayasaki
patent: 5439088 (1995-08-01), Michioka et al.

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