Valve actuator

Details Valve actuator Valve actuator

2011-04-12

2011-04-12

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

Valves and valve actuation

Mechanical movement actuator

Cam

C251S251000

Reexamination Certificate

active

07922151

ABSTRACT:
The present invention relates to a valve actuator comprising a support member for supporting a rotatable positioning element operatively connected to a valve rod. The valve actuator further comprises a track follower adapted to follow at least part of a track provided in the positioning element. The track follower is biased against at least part of the track by a resilient member. The rotatable positioning element comprises a curved outer portion arranged in an associated bearing formed in the support member.

REFERENCES:
patent: 1756834 (1930-04-01), Robertson
patent: 2580553 (1952-01-01), King
patent: 2905433 (1959-09-01), Till et al.
patent: 3128635 (1964-04-01), Doolittle
patent: 3142186 (1964-07-01), Melton et al.
patent: 4172619 (1979-10-01), Anderson et al.
patent: 4298183 (1981-11-01), Kawakami
patent: 4374485 (1983-02-01), Lattuada
patent: 4460153 (1984-07-01), Williams
patent: 4526197 (1985-07-01), Martin et al.
patent: 4646582 (1987-03-01), Kijima
patent: 6105930 (2000-08-01), Nishimura et al.
patent: 1085829 (1960-07-01), None
patent: 1815314 (1970-06-01), None
patent: 2342425 (1975-03-01), None
patent: 2424226 (1975-04-01), None
patent: 0787935 (1997-06-01), None
patent: 1136781 (1957-05-01), None
patent: 2616510 (1988-12-01), None
patent: 808592 (1959-02-01), None
patent: 1197487 (1970-07-01), None
patent: 2105809 (1983-03-01), None
patent: 2206185 (1988-12-01), None
PCT Search Report for Serial No. PCT/DK2005/000692 dated Jan. 12, 2006.

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