Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1988-08-22
1990-04-17
Dority, Carroll B.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126419, 126435, 16510422, F24J 732
Patent
active
049170791
ABSTRACT:
A solar powered water heating system (10) for heating water in a storage tank (T) including a solar collector (C) for converting a refrigerant from a liquid to a gaseous state, a pump (30) communicating with the solar collector via a first refrigerant supply line and operable by the gaseous state of the refrigerant, a heat exchanger (20) communicating with and receiving refrigerant from the pump, the heat exchanger transferring heat from the refrigerant to water passing therethrough from the storage tank, and lines (35) supplying condensed refrigerant in the heat exchanger to the pump for return circulation to the solar collector. The system additionally has an atmospherically sealed regulating valve (40) initially opening to pass fluid at a minimum selected pressure and remaining open to pass fluid until the fluid pressure reaches a selected reduced pressure including a housing (41), a valve housing cap (42) enclosing the open end of the housing, a valve element (60) movable axially of the housing, a first chamber (47) in the housing axially of the valve element in one direction, a second chamber ( 58) in the housing axially of the valve element in the other direction, a bore (70, 83) extending through the valve element connecting the first chamber and the second chamber, a fluid inlet passage (45) supplying fluid to the first and second chambers, a third chamber (51) in the housing communicating with fluid outlet passages, and a biasing element (85) permitting movement of the valve element for fluid communication between the first chamber and the third chamber at the minimum selected pressure in the fluid inlet passage and effecting movement of the valve element for interrupting fluid communication between the first chamber and the third chamber at the selected reduced pressure.
REFERENCES:
patent: 1119063 (1914-12-01), Burnap
patent: 4203422 (1980-05-01), Bottum
patent: 4437456 (1984-03-01), Merrigan
patent: 4483320 (1984-11-01), Wetzel, Jr. et al.
patent: 4483322 (1984-11-01), Mori
Dority Carroll B.
MTD Products Inc.
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