Speed differential-dependent hydraulic clutch with a control...

Details Speed differential-dependent hydraulic clutch with a control... Speed differential-dependent hydraulic clutch with a control...

2006-07-18

2006-07-18

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S085060

Reexamination Certificate

active

07077256

ABSTRACT:
A speed-difference-dependent hydraulic clutch comprises a drive housing (11), which rotates in a housing (20), a first shaft (21) which can be connected in a rotationally fixed manner to the drive housing, a second shaft (22) which is connected in a rotationally fixed manner to the drive housing, and furthermore a hydrostatic displacement machine (1), a friction clutch (12) for connecting the first shaft (21) to the drive housing (11), and a piston (10) for acting on the friction clutch (12), the drive housing (11) having a pressure space (9) and where a pressure is produced in the pressure space (9) when a difference in speed occurs in the pressure space (9), this pressure giving rise to action upon the friction clutch (12), and a passage (13) leading from the pressure space to a control valve which opens up the route to a space of lower pressure in a controlled manner.

REFERENCES:
patent: 4924989 (1990-05-01), Filderman
patent: 5358455 (1994-10-01), Lundstrom
patent: 5890574 (1999-04-01), Takahashi
patent: 5967285 (1999-10-01), Mohan et al.
patent: 6336539 (2002-01-01), Nakano et al.
patent: 6578654 (2003-06-01), Porter
patent: 6578692 (2003-06-01), Porter

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