I-type counterflow absorber

Details I-type counterflow absorber I-type counterflow absorber

1999-08-11

2000-07-18

Hook, James

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 43, 138 45, 138 46, F16L 55045

Patent

active

060892749

ABSTRACT:
An I-type counterflow absorber for directly connecting with a piping system to absorb the impact force and noise resulting from water hammering in the piping system. It includes an outer tube, an inner tube, a valve seat, a valve and an annular piston board. The outer tube includes a front tube and a rear tube. The valve seat is located between the front tube and the rear tube and has a funnel groove and a passage formed therein. The inner tube is located in the rear tube and has one end engaging with one side of the funnel groove. The valve includes a valve engageable with another side of the funnel groove. The piston board is located between the inner tube and the rear tube for separating the space between the inner tube and outer tube in a buffer zone and an air chamber filled with air.

REFERENCES:
patent: 1724881 (1929-08-01), Lund
patent: 2324391 (1943-07-01), Hersey
patent: 2612576 (1952-09-01), Lange
patent: 2809666 (1957-10-01), Judd
patent: 3695297 (1972-10-01), Ferrentino
patent: 3948285 (1976-04-01), Flynn
patent: 4037625 (1977-07-01), Mott
patent: 4177023 (1979-12-01), Kamiya et al.
patent: 4564338 (1986-01-01), Ilg
patent: 4770212 (1988-09-01), Wienck
patent: 5638868 (1997-06-01), Loran

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