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US4458840: Temperature responsive valve


Filing Information

Inventor(s) Nobuyuki Hashimoto · Atsushi Satomoto ·
Assignee(s) Aisin Seiki Kabushiki Kaisha ·
Attorney/Agent(s) Oblon, Fisher, Spivak, McClelland & Maier ·
Primary Examiner William E. Tapolcai ·
Application Number US6537326
Filing date 09/30/1983
Issue date 07/10/1984
Predicted expiration date 10/23/2001
U.S. Classifications 236/48R  · 236/101.C  ·
International Classifications G05D 2310  ·
Kind CodeA
International Classifications 23648 R;87;101 C ·
Related U.S. Application DataThis application is a continuation of application Ser. No. 314,451, filed Oct. 23, 1981, now abandoned.
Foreign Priority JP55151158 - 10/24/1980 ·
5 Claims, No Drawings


A temperature responsive valve includes a bimetal disk which snaps in response to changes in temperature, a rod moved by the snapping action of the bimetal disk, a valve member in association with movement of the rod to thereby control the flow of fluid, and an adjustment member threaded through a body to properly adjust the range in movement of the valve member, the adjustment member being secured to the body after adjusting operation of the range of movement of the valve member.

Independent Claims | See all claims (5)

  1. 1. A temperature responsive valve comprising:a housing having inlet and outlet ports formed therein:a casing member secured to said housing;a body disposed within said housing and said casing member;an adjustment member threaded to said body via a threaded portion to thereby define a first and second chamber at opposite sides of said adjustment member;said adjustment member having a fluid passage provided therein for fluid communication with one of said outlet ports and wherein said fluid passage and said second chamber are fluidically isolated by said adjustment member;a valve member operatively associated with said adjustment member and positioned within said first chamber to control fluid communication between said inlet and outlet ports and wherein the range of movement of said valve member is adjusted by said adjustment member;bimetal disk means positioned within said second chamber for snapping in response to changes in temperature to thereby actuate said valve member; andmeans for rigidly securing said adjustment member to said body subsequent to adjustment of the range of movement of said valve member and wherein said means for rigidly securing said adjustment member to said body further comprises a heat welded connection at said threaded portion.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US4076172 Aisin Seiki Kabushiki Kaisha Inada et al. Feb 1978
US4157158 Aisin Seiki Kabushiki Kaisha Kitamura et al. Jun 1979
US4247041 Aisin Seiki Kabushiki Kaisha Kitamura et al. Jan 1981

Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US4608208 Aisin Seiki Kabushiki Kaisha Kenji Yogo et al. Aug 1986

Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
GB2086010 AISIN SEIKI May 1982
US4458840 Aisin Seiki Kabushiki Kaisha Nobuyuki Hashimoto et al. Jul 1984