Method and apparatus for draining plumbing lines

Details Method and apparatus for draining plumbing lines Method and apparatus for draining plumbing lines

1995-01-17

1997-02-04

Larson, James

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

137 15, 285 7, 285 8, 285177, F16L 5500, E03B 710

Patent

active

055988679

ABSTRACT:
A vacuum generating device, such as a wet/dry vacuum, is attached to a faucet by an attachment member. The attachment member includes a faucet connector, for connecting to the faucet, and a vacuum connector, for connecting to the vacuum generating device. The faucet connector and vacuum connector are fluidly connected by a conduit. The method for draining plumbing lines includes the step of shutting off the external supply of water to the plumbing lines. The vacuum generating device is then connected to a first faucet, and the valve to the first faucet is opened. The vacuum generating device is then activated and the valves to the remaining faucets are opened in order to create a pressure differential in the plumbing lines. The pressure differential causes water in the lines to flow into the vacuum generating device.

REFERENCES:
patent: 2189950 (1940-02-01), Gump
patent: 2673986 (1954-04-01), Schaefer
patent: 3148895 (1964-09-01), Jasper et al.
patent: 3588148 (1971-06-01), Barsumian
patent: 4114230 (1978-09-01), MacFarland
patent: 4848389 (1989-07-01), Pirkle
patent: 5028077 (1991-07-01), Hurst
patent: 5220937 (1993-06-01), Roberts et al.
patent: 5382138 (1995-01-01), Chilton
patent: 5433246 (1995-07-01), Horton

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