Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1993-08-23
1994-09-20
Chambers, A. Michael
Fluid handling
Processes
Cleaning, repairing, or assembling
137315, 137335, 251152, 126361, 285 27, 285158, F16L 5518, F24H 100
Patent
active
053480376
ABSTRACT:
A hot water tank construction, parts therefor and methods of making the same are provided, the hot water tank construction comprising a hot water tank having a wall provided with an opening therethrough and a spud carried by the wall and having an opening therethrough that is disposed in aligned relation with the opening in the wall, and a fuel control valve unit having a shank provided with a portion thereof disposed in the opening of the spud and being interconnected to the opening of the spud so as to be carried by the wall, the opening of the spud having axial securing structure therein, the portion of the shank having axial securing structure thereon, the portion of the shank having been axially pushed into the opening of the spud until the portion is in a predetermined position thereof whereby the axial securing structures cooperate together to interconnect the fuel control valve unit to the spud.
REFERENCES:
patent: 2137214 (1938-11-01), Clayton et al.
patent: 3287031 (1966-11-01), Simmons et al.
patent: 4422472 (1983-12-01), Klein
patent: 4770446 (1988-09-01), Keller
patent: 4817564 (1989-04-01), Akkala et al.
patent: 4872830 (1989-10-01), Katchka et al.
Chambers A. Michael
Robertshaw Controls Company
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