Actuator for reversibly displacing a valve flap of a valve

Valves and valve actuation – Lost motion between actuator and valve – Lever

Reexamination Certificate

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Details

C251S077000, C251S129110, C074S439000

Reexamination Certificate

active

07032877

ABSTRACT:
An actuator has a drive shaft connected to a valve flap. A toothed quadrant is mounted to be rotatable about the first axis of rotation of the drive shaft. A further quadrant is arranged in parallel with the toothed quadrant and is fixedly connected to the drive shaft. A two-armed lever is mounted between the toothed quadrant and the further quadrant to be rotatable about a second axis of rotation of a pin which is arranged in parallel with the first axis of rotation on the side, which faces the toothed quadrant, of the further quadrant. The toothed quadrant has a cutout and a projection is arranged on the two-armed lever at the end of the second lever arm of said two-armed lever and is directed into the cutout. The further quadrant has a third stop for the second toothed quadrant.

REFERENCES:
patent: 5409194 (1995-04-01), Blanc et al.
patent: 6135415 (2000-10-01), Kloda et al.
patent: 6216677 (2001-04-01), McConnell et al.
patent: 6244564 (2001-06-01), Noritake
patent: 6279535 (2001-08-01), Matsusaka
patent: 2001/0032616 (2001-10-01), Sakurai et al.
patent: 195 24 941 (1997-01-01), None
patent: 199 28 632 (2000-12-01), None
patent: 101 33 630 (2003-01-01), None
patent: 10135330 (2003-02-01), None
patent: 1 099 839 (2001-05-01), None
patent: 1 099 840 (2001-05-01), None
Derwent-Abstract—DE 101 35 330A1; Feb. 6, 2003; Behr GmbH & Co., D-70469 Suttgart (Germany).
Derwent-Abstract—DE 101 33 630A1; Jan. 30, 2003; Siemens AG, D-80333 München (Germany).
Derwent-Abstract—DE 199 28 632A1; Dec. 28, 2000; Mannesmann VDO AG, D-60388 Frankfurt (Germany).
Derwent-Abstract—DE 195 24 941A1; Jan. 9, 1997; VDO Adolf Schinding AG, D-60326 Frankfurt (Germany).

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