Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Patent
1995-01-03
1996-08-06
Williams, Hezron E.
Measuring and testing
Speed, velocity, or acceleration
Acceleration determination utilizing inertial element
7351436, 73497, 361280, G01P 15125
Patent
active
055422969
ABSTRACT:
An acceleration sensor (10, 10', 10") in which a metal blade member (24) having a source plate portion (24a), attachment portion (24p) and integral resilient beams (24b) extending between the source plate portion and the attachment portion is attached to a pin (22) received in turn in a bore (18a) of a substrate (18). The metal blade member (24) is mounted on the substrate (18) so that the source plate portion is a selected distance from a detect plate (18b) mounted on the substrate. The sensor is disposed in a cylindrical housing (12, 12', 12") which can be directly mounted to a circuit board (50) through terminal pins (18g, 18h, 18i) or can be provided with a threaded fastener (12"d). In one embodiment first and second sensor modules are received in a housing (42) to sense acceleration forces in two perpendicular directions. In another embodiment tab (30b) extending from a signal conditioning circuit (30) is placed between a connector body (20') and the sidewall (12b) of housing (12) with a detent (12c) formed in the sidewall (12b) to effect an electrical connection between circuit (30) and housing (12"). An O-ring gasket (13) is placed between the sidewall (12b) and the connector body (20') outboard of the detent to provide an environmental seal.
REFERENCES:
patent: 4875135 (1989-10-01), Bishop et al.
patent: 5239871 (1993-08-01), Reidemeister et al.
patent: 5303589 (1994-04-01), Reidemeister et al.
patent: 5345823 (1994-09-01), Reidemeister et al.
Johnson Larry K.
Mandeville Raymond E.
Reidemeister Eric P.
Southworth Robert O.
Strott Douglas B.
Baumann Russell E.
Donaldson Richard L.
Grossman Rene E.
Kwok Helen C.
Williams Hezron E.
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