Fluid handling – Systems – With pump
Patent
1974-09-16
1976-01-27
Cline, William R.
Fluid handling
Systems
With pump
137563, 137597, F04B 2102
Patent
active
039346099
ABSTRACT:
A control unit for central heating systems has a single integrally produced body with openings for connecting the unit to main and group distributing and return pipes. The unit has also mounted on its body a circulation pump, a throttle valve, a shunt valve and a check valve. Inside the body, there are channels for connecting in a prescribed way the pump, valves and openings.
REFERENCES:
patent: 2861364 (1958-11-01), Klein
Cline William R.
Vadstena Pumpar AB
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