Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Reexamination Certificate
2006-10-17
2006-10-17
Chambers, A. Michael (Department: 3753)
Fluid handling
With indicator, register, recorder, alarm or inspection means
Position or extent of motion indicator
C123S090110, C324S207160, C324S207240, C324S226000
Reexamination Certificate
active
07121300
ABSTRACT:
A device for measuring the height of lift of poppet valves, in particular for poppet valves installed in internal combustion engines, with the help of inductive pickups, including a coil in a stationary mount and a metal sleeve which is in flush alignment in the valve shaft and is axially movable in the coil, and the sleeve is secured with axial play within the groove.
REFERENCES:
patent: 5144977 (1992-09-01), Eggerton et al.
patent: 37 03 867 C 2 (1987-02-01), None
patent: 42 38 861 C 2 (1992-11-01), None
patent: 44 38 059 C 2 (1994-10-01), None
patent: 198 41 660 C 2 (1998-09-01), None
patent: WO 00/65204 (2000-11-01), None
German Search Report, Jan. 29, 2003.
International Search Report, Sep. 29, 2003.
Connert Rolf
Kragl Rudolf
Lorscheid Martin
Scheffler Till
Bayerische Motoren Werke Aktiengesellschaft
Chambers A. Michael
Crowell & Moring LLP
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