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Vibration and Earthquake Isolation

Thermal-expansion-compensation-device-for-shock-absorbers

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Details

Inventors: Guy, Yoram; Pipis, Jr., John S.;
Assignee: Monroe Auto Equipment Company (Monroe, MI)
Primary Examiner: Butler; Douglas C.
Assistant Examiner:
Attorney, Agent or Firm: Harness, Dickey & Pierce

A shock absorber has a biasing member located between the base cup of a reserve tube and a cylinder end at the bottom of a pressure tube. The biasing member urges the pressure tube away from the base cup of the reserve tube and provides for movement between the lower ends of the two members without affecting the seating or sealing of the components within the shock absorber. The movement between the pressure tube and the reserve tube provides axial compliance for accommodating tubes materials having different materials with different coefficients of thermal expansion.

DETAILED DESCRIPTION The present invention provides the art with a shock absorber which incorporates a compliant cylinder end assembly which is capable of compensating for the differing thermal expansion between two materials and thus eliminating the possibility of structural failure due to extreme cold temperatures as well as the possibility of pressure tube preload loss and sealing failure under extreme hot temperatures.
Other advantages and objects of the present invention will become apparent to those skilled in the art from the subsequent detailed description, appended claims and drawings.

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