Fluid handling – Systems – Dividing into parallel flow paths with recombining
Patent
1988-08-03
1989-09-05
Hepperle, Stephen M.
Fluid handling
Systems
Dividing into parallel flow paths with recombining
251209, F16K 512
Patent
active
048629170
ABSTRACT:
A fuel control device, system using the device and method of making the same are provided, the device comprising a housing having a passage therethrough for interconnecting a fuel source with a main burner, a throttle valve unit disposed in the passage for throttling fuel flow through the passage to the burner, and a selector operatively interconnected to the throttle valve unit to operate the same, the throttle valve unit comprising a pair of members one of which is substantially stationary and the other of which is rotatable relative to the one member, the one member having a face and having an aperture interrupting the face thereof and passing therethrough, the other member having a face disposed in sliding engagement with the face of the one member for controlling the effective opening of the aperture for fuel flow therethrough, the selector being operatively interconnected to the other member to rotate the same relative to the one member and thereby control the flow of fuel through the passage, the other member having an opening interrupting the face thereof and being adapted to overlap the aperture in various positions therewith for controlling fuel flow therethrough, the other member comprising a plug valve member.
REFERENCES:
patent: 1939709 (1933-12-01), Leese
patent: 2554470 (1951-05-01), Mueller
patent: 2628588 (1953-02-01), Mehler
patent: 2763289 (1956-09-01), Mueller
patent: 2987078 (1961-06-01), Du Perow
patent: 3014489 (1961-12-01), Lamp et al.
patent: 3645493 (1972-02-01), Manoogian et al.
patent: 3998227 (1976-12-01), Holbrook et al.
patent: 4123036 (1978-09-01), Branson et al.
Hepperle Stephen M.
Robertshaw Controls Company
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