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:
Aug. 31, 2004
Filed:
Mar. 27, 2003
Joseph H. Steinke, Mission Viejo, CA (US);
Control Components, Inc., Rancho Santa Margarita, CA (US);
Abstract
A fluid flow control device ( ) has a stack of annular discs ( ) defining a central passageway ( ) and a plug ( ) reciprocable in the passageway for controlling fluid flow. Adjacent discs ( ) in the stack have at least one fluid passageway ( A) formed in a major face ( A) of one disc closed by the abutting major face of the adjacent disc. The fluid passageway ( A) extends in a clockwise direction and has a linear inlet portion ( A) and a curved outlet portion ( A). The inlet portion ( A) is of constant cross-sectional area and the outlet portion ( A) is of increasing cross-sectional are in the direction of fluid flow. Other configurations of discs and/or fluid passageways are disclosed.