Dispensing – Gas or vapor dispensing
Patent
1994-02-22
1997-06-17
Kaufman, Joseph
Dispensing
Gas or vapor dispensing
2221462, 2511494, 2511495, B67D 500
Patent
active
056389876
ABSTRACT:
A throttling and cut-off valve providing fuel control for heaters, blow torches, lanterns and small engines utilizing the approximately one pound throwaway propane bottles in common use as a fuel supply. The invention provides one valve integral to the quick disconnect housing of the throwaway bottle that will suffice for all implements utilizing these bottles. The invention incorporates a cap with female threads compatible with the male threads of the quick disconnect housing which is an integral part of the fuel bottle. The cap is rotatably secured to a fuel probe that penetrates the center of the housing and a seated O-ring opening the spring loaded tire valve secured to the upstream end of the housing. Rotating the cap and inserting it into this quick disconnect housing secures the cap and probe to the bottle; rotating the cap further moves the probe forward causing fuel to flow through the probe and fuel line into the implement. The cap thus becomes a throttling valve for the attached implement. The cap can also function as a quick cutoff valve for a more elaborate fuel control system.
REFERENCES:
patent: 3190496 (1965-06-01), Weiland, Jr. et al.
patent: 3924654 (1975-12-01), Buller et al.
patent: 4188172 (1980-02-01), Talbert et al.
patent: 4562852 (1986-01-01), Britt
patent: 4807848 (1989-02-01), Macomber
patent: 5121771 (1992-06-01), Jernberg
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