DUAL-RATE SURFACE EFFECT DAMPERS

A dual-rate surface effect damper(10) with extended useful life. The dual-ra te is pro- vided by two cylindrical liners (30, 32, 34, 36) which have different inner diameters which en- gage a damping piston (12) having protrusions (14) which have an interferenc e fit with the liner (30, 34). features...

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Bibliographic Details
Main Authors GARN, GENE D, FLOWER, WALLACE C, SIWEK, C. KENNETH
Format Patent
LanguageEnglish
French
Published 02.10.2001
Edition5
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A dual-rate surface effect damper(10) with extended useful life. The dual-ra te is pro- vided by two cylindrical liners (30, 32, 34, 36) which have different inner diameters which en- gage a damping piston (12) having protrusions (14) which have an interferenc e fit with the liner (30, 34). features which extended life include heat dissipative elemen ts such us internal and external fans (24); a convective MoS2, dispersed in a Teflon (B)filled flurosilicone. Maintaining the temperature of the elastomer (32, 34, 36) below about 200 .degree. F (93.3 .degree.C) is critical to avoiding thermal breakdown. In addition, the elastomer (32, 34, 36) and metal- lic surfaces (14) can undergo a surface treatment to reduce their tendency t o abrade and to cause abrasion, respectively.
Bibliography:Application Number: CA19922126334