Valves and valve actuation – Lost motion between actuator and valve – Lever
Reexamination Certificate
2006-04-25
2006-04-25
Look, Edward K. (Department: 3751)
Valves and valve actuation
Lost motion between actuator and valve
Lever
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.
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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).
Eisenberg J.
Fristoe Jr. John K.
Look Edward K.
Siemens AG
Siemens AG
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