Rotational angle sensors and throttle devices

Details Rotational angle sensors and throttle devices Rotational angle sensors and throttle devices

2011-05-24

2011-05-24

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

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C324S207250

Reexamination Certificate

active

07946555

ABSTRACT:
The present invention includes a rotational angle sensor having a magnetic detection device. The magnetic detection device includes a sensing section that can detect a change of a magnetic field produced by at least two magnets attached to a rotary member. A housing member is molded integrally with the magnetic detection device and a support member. The support member may serves as a protective member for protecting at least the sensing section of the magnetic detection device or may serve as a positioning member configured to enable at least the sensing section to be positioned relative to the positioning member.

REFERENCES:
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patent: 5010263 (1991-04-01), Murata
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patent: 7275517 (2007-10-01), Kurita et al.
patent: 2004/0129909 (2004-07-01), Wiese
patent: 2005/0073299 (2005-04-01), Yoshikawa et al.
patent: 2005/0155780 (2005-07-01), Hannewald
patent: 2007/0247143 (2007-10-01), Ikeda et al.
patent: 2005048671 (2005-02-01), None

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