F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
236/1
F16K 31/68 (2006.01) F16K 31/00 (2006.01) F24H 9/12 (2006.01)
Patent
CA 1332828
A temperature responsive valve has a housing (1) in which there is supported a first helical spring (17) with the effect of memorizing its shape and for closing and opening the valve. A temperature in- sensitive second helical spring (20) in the housing prestresses the first helical spring (17), To achieve a small diameter and substan- tially unhindered throughflow when the valve is open, the housing (1) has a valve seat (8) and a valve closure member (9). The first helical spring (17) is supported by one end at the housing (1) and by the other end at the side of the valve closure member (9) remote from the valve seat (8) whereas the second helical spring (20) is supported by one end at the housing (1) radially beyond the valve seat (8) and by the other end on the side of the valve closure member (9) facing the valve seat (8). The second helical spring acts against the closing force of the first helical spring (17) and the valve closure member (9) comprises apertures (13) from the interior of the first helical spring (17) to an annular chamber (21) within the second helical spring (20) and radially beyond the valve seat (8).
596338
Pedersen Svend Peder
Spies Volker
Danfoss A/s
Macrae & Co.
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