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:
Jul. 03, 2001
Filed:
Jun. 13, 2000
Applicant:
Inventors:
Frank A. Walton, Fort Worth, TX (US);
Edward Grout, Cool, CA (US);
James E. Williams, Richardson, TX (US);
Assignee:
Dosmatic USA, Inc., Carrollton, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/906 ; F01C 1/908 ;
U.S. Cl.
CPC ...
F01C 1/906 ; F01C 1/908 ;
Abstract
A replaceable seal for a rotor in a rotary fluid machine has a unitary body with integrally formed longitudinal and radial seal portions secured by a friction fit in grooves in the rotor. The longitudinal seal portion includes an outwardly biased seal lip, and an elongated body portion fitting within the groove in the rotor. The elongated body portion has a pair of anchor elements connected by a flat arm element. The radial seal portion has an outwardly biased seal lip, and a retainer post securing the seal in a cavity in the rotor.