The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 1999
Filed:
Jan. 16, 1996
Yoram Guy, Ann Arbor, MI (US);
Tenneco Automotive Inc., Lake Forest, IL (US);
Abstract
A shock absorber includes an integral pressure tube and rod guide. The integration of these two components manufactured from aluminum allows the use of an aluminum pressure tube to eliminate axial differential thermal expansion between the pressure tube and an aluminum reserve tube. The use of aluminum for these two components reduces weight and improves the heat dissipation for the shock absorber. On addition, by producing the rod guide integral with the pressure tube and also of aluminum, additional weight savings are realized. Further advantages for the integration of these components include the elimination of leak paths, the limitation of assembly operations and the opportunity to utilize a 'near net-shape' manufacturing process such as impact extrusion or semi-solid forming for the manufacture of the integral pressure tube and rod guide.