Lifting apparatus and injection valve

Details Lifting apparatus and injection valve Lifting apparatus and injection valve

2005-09-06

2010-06-01

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Electrically actuated valve

Having element dimensionally responsive to field

C239S102200, C239S584000

Reexamination Certificate

active

07726629

ABSTRACT:
A lifting apparatus comprising a counter bearing (8) provided with a first recess (9), having a conical bearing surface (10), and an actuator unit comprising an actuator (6) whose axial extension is dependent upon an actuating signal. The actuator unit has a shoulder which is formed in an area of the actuator unit which faces away from the output and which has a domed surface (11). The domed surface (11) of the actuator unit rests upon the conical bearing surface (10) of the counter-bearing (8). The injection valve comprises said lifting device and an injector needle which is coupled to the lifting apparatus on the output side thereof and which prevents the flow of fluid through the injector nozzle when closed and otherwise releases it.

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Japanese Office Action, Japanese applicaton No. 2007-530704, 10 pages, Oct. 16, 2009.

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