Machine element or mechanism – Gyroscopes – Combined
Patent
1986-12-02
1988-09-20
Bonck, Rodney H.
Machine element or mechanism
Gyroscopes
Combined
74 5R, 74 56R, 248DIG1, 403 30, G01C 1900, F16B 100
Patent
active
047716444
ABSTRACT:
A flexure acts as an interface for mounting a precision sensing device to a support having a different coefficient of thermal expansion. The flexure, which has substantially the same coefficient of expansion as the device, engages the support along an annular contacting surface to restrain the flexure from relative slipping movement under thermal stress. The sensing device is carried on a base of the flexure and therefore remains aligned during thermal cycling. In a preferred embodiment, the contacting surface provides tight surface-to-surface contact with a complementary surface of the support over an operating temperature range.
REFERENCES:
patent: 2584653 (1952-02-01), Alpert
patent: 3219753 (1965-11-01), Vassos
patent: 3781733 (1973-12-01), Heim
patent: 4227036 (1980-10-01), Fitzgerald
"Litton Proposal for the Standard Ring Laser Gyro Inertial Navigation Unit", vol. 1, prepared for U.S. Army Force, AFSC, Aeronautical Systems Division, 1/85, pp. 2-12, 2-20, 2-29, 2-31, 2-33.
"Proposal for the AN/ASN-139 Inertial Navigation Set", vol. II, 4/84, pp. 5-20, prepared for Naval Air Systems Command, Dept. of Navy.
Bonck Rodney H.
Litton Systems Inc.
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