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:
Sep. 14, 2021
Filed:
Aug. 26, 2020
Rotex Manufacturing and Engineers Private Limited, Mumbai, IN;
Amit Shah, Mumbai, IN;
ROTEX Manufacturing And Engineering Private Limited, Mumbai, IN;
Abstract
Twin poppet mechanism () of a valve positioner () with progressively reduced leakage, comprising a poppet valve assembly () comprising a swivel assembly () and a pair of poppet valve assembly (), a poppet assembly () of the poppet valve assembly () has a conical tilting freedom () around its axis of assembly (), in a first stable state, the swivel assembly () tilts towards a first side (A) and a rubbing or a lapping action is caused between the first sealing surface () and the outer sealing surface (), and between an inner sealing surface () of the poppet body two () and the chamber sealing surface () of the guide chamber (), in a second stable state, the swivel assembly () tilts towards a second side (B) and the lapping action is caused between the second sealing surface () and the outer sealing surface (), and between the inner sealing surface () of the poppet body two () and the chamber sealing surface () of the guide chamber ().