Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1980-05-09
1982-02-09
Godici, Nicholas P.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
228183, 228 1A, 228262, 228110, 228 38, 228 48, 165156, 165163, B23P 1526, B23K 3102
Patent
active
043143970
ABSTRACT:
A solar liquid-to-liquid heat exchanger, method of making the same, and hot water heating apparatus employing same are provided wherein such heat exchanger is comprised of a first tubular member made of a heat conductive tube material and having a plurality of turns, a second tubular member made of a heat conductive tube material and having a plurality of turns which correspond to and are fixed against the turns of the first member to provide a strong mechanical and thermal connection between immediately adjacent faces of associated member turns. The fixing of the turns of the members and utilization of the heat exchanger in a hot water heating apparatus with flow of a solar fluid used in such apparatus in one direction through the first tubular member and water to be heated through the second tubular member in counterflow to the one direction assures optimum transfer of heat from the solar fluid to the water to be heated.
REFERENCES:
patent: 1799081 (1931-03-01), Blomquist
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patent: 2359791 (1944-10-01), Ralston
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patent: 2697868 (1954-12-01), Arant
patent: 3760481 (1973-09-01), Greever
patent: 4054239 (1977-10-01), Watson, Jr.
patent: 4112569 (1978-09-01), Margen et al.
Goolsby Patrick F.
Swenck George F.
Godici Nicholas P.
Reynolds Metals Company
Rising V. K.
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