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:
Dec. 16, 2003
Filed:
Jan. 29, 2002
Joe Frank Loprete, Bristol, TN (US);
David Turner Monk, Bristol, VA (US);
Eugene Karl Chumley, Abindon, VA (US);
Tyrone Scott Simerly, Johnson City, TN (US);
John K. Narney, II, Bristol, VA (US);
Mark Randall Trent, Bristol, VA (US);
Panteleimon V. Hatzikazakis, Kingsport, TN (US);
Tom Evans Goodnight, Williston, SC (US);
Rongchang Xin, Bristol, VA (US);
Robert Desmond Douglas, Bristol, VA (US);
Bristol Compressors, Inc., Bristol, VA (US);
Abstract
A compressor for providing automatic capacity modulation is disclosed. The compressor comprises a compression chamber, a compressing member, a reexpansion area, a flow passage, a valve member, and a biasing member. The flow passage is in fluid communication with the compression chamber and the reexpansion area. In one position, the valve member permits flow through the flow passage and in a second position it prevents flow. The valve member is subjected to a first operating condition of fluid on one side and a second operating condition of the fluid on the other side. The biasing member exerts a biasing force on the valve member. When the first operating condition reaches a predetermined point relative to the second operating condition, the valve member moves and effects a change in the capacity of the compressor.