Thermoelement

Details Thermoelement Thermoelement

2007-02-13

2007-02-13

Jiang, Chen Wen (Department: 3744)

Automatic temperature and humidity regulation

Thermostatic

Expanding fluid

C236S10100B, C236S09900R

Reexamination Certificate

active

10499645

ABSTRACT:
A thermal element of a simple structure which can have a reduced cost because a minimum required number of structural components are used, excels in response and endurance and enables forward and backward movement of a piston with the prescribed stroke under the effect of volume changes following the expansion and contraction of a thermally expandable body.A thermal element10containing a thermally expandable body (wax12) inside a case11comprises a piston13arranged inside the case along the axial line thereof. The inward end of the piston borders on the inside of the thermally expandable body and the outward end thereof protrudes outwardly from one end of the case, thereby enabling the piston to move forward and backward following the expansion and contraction of the thermally expandable body. The piston is slidably held with a guide member14disposed in a portion at one end inside the case. Furthermore, a sealing member15is disposed in a portion at the inward end of the guide member inside the case and seals the thermally expandable body at the other end inside the case.

REFERENCES:
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patent: 5033865 (1991-07-01), Kuze
patent: 5381951 (1995-01-01), Michel
patent: 6142183 (2000-11-01), Karthaeuser
patent: 55729/1980 (1980-04-01), None
patent: 07-098390 (1995-04-01), None
patent: 10-68473 (1998-03-01), None
patent: 3225386 (2001-08-01), None

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