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:
Nov. 25, 2014
Filed:
Jan. 17, 2008
Bruce Mcgarian, Stonehaven, GB;
Bruce McGarian, Stonehaven, GB;
Other;
Abstract
Bypass valve comprising a ported housing () and concentrical ported sleeve (). Ported piston () is slidably arranged within the sleeve. Between sleeve and piston is a control system consisting of control element () fixed to sleeve () by means of plugs () passing through apertures () and holes (). Noses () protrude into recesses () of drive element (). Saw teeth () on drive element () interact with teeth () on rotatable timing element (). Key () on element () interacts with teeth () on control element (). Lower end () of key is abutting against ridge () formed on inner surface of sleeve (). when key () is engaged to teeth (), teeth () on elements () are misaligned. Pressure increase results in piston () and drive element () moving downward freeing key () from engagement with teeth (). Teeth () are forced into alignment with subsequent rotation of timing element (). In this position, ports on piston and sleeve are partially aligned. Pressure decrease results in element () moving up key () moving to next notch of teeth (). When key () coincides with slot (), piston () moves further down, partially occluding piston ports. When key () coincides with slot () piston () moves even further down totally occluding piston ports.