Device for the adjustment of a throttle valve

Details Device for the adjustment of a throttle valve Device for the adjustment of a throttle valve

1992-12-28

1993-11-09

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123400, F02D 1102, F02D 1110

Patent

active

052593495

ABSTRACT:
For the displacement of a throttle valve (1) which is rotatably mounted in the intake connection (2) of an internal combustion engine, there is provided a device with electromotive actuating drive, gearing and clutch (10) as well as electronic control device (11) with which the entire load range, in addition to the idle range, can be automatically controlled. In this connection, a coupling
member (15) is provided between the pulley (8), which is mechanically coupled to the gas pedal (6), and a first lever (13) which is rigidly attached to the throttle-valve shaft (1a). Furthermore, the main return spring (3) acts directly on the pulley (8), the coupling member (15) is urged by a coupling spring (16) against the first lever (13) of the throttle-valve shaft (1a), and a third return spring (19) acts on the driven shaft (18) of the actuating drive (9)

REFERENCES:
patent: 4873957 (1989-10-01), Ueyama et al.
patent: 4919097 (1990-04-01), Mitui et al.
patent: 4953529 (1990-09-01), Pfalzgraf et al.
patent: 5038733 (1991-08-01), Westenberger
patent: 5131360 (1992-07-01), Muschalik
patent: 5134979 (1992-08-01), Pfalzgraf
patent: 5161506 (1992-11-01), Mausner et al.
patent: 5172668 (1992-12-01), Gohring et al.
VDI Report No. 819, pp. 741-763, Jan. 1990.

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