Pumps – Motor driven – Resiliently mounted pump or motor
Patent
1999-05-26
1999-12-21
Freay, Charles G.
Pumps
Motor driven
Resiliently mounted pump or motor
248624, F04B 3504
Patent
active
060041137
ABSTRACT:
Improvement of the suspension of hermetic compressors for refrigeration in the interior of a hermetically closed shell (A) through a suspension (S) formed by a set of helicoidal springs (1), which extremities have upper (2) and lower (3) means of support and fitting to the corresponding parts of the compressor (C) and the shell (A); said upper and lower means of fixation of each spring (1) presents a truncated conical tip (4) for penetrating the internal diameter of the spring, while on the opposite end, it includes a flange (5) for seat, foreseeing inclusively an upper perforation (6) for the penetration of a pin (P) existent on the corresponding part of the compressor (C) so that the compressor (C) can be fixed in a springy way to the interior of the shell (A), using seating surfaces (7A), helicoidal or spiraled, practically the shape of one coil, where a step (8) that confers fitting and, at the same time, encloses the uneven circular surface that compensates the unevenness resulting from the tip (9) of the spring (1), so that this last one can have a horizontal support cooperating to keep it squareness.
REFERENCES:
patent: 1848514 (1932-03-01), Cunninghah
patent: 2222724 (1940-11-01), Rogers
patent: 2349845 (1944-05-01), Cody
patent: 3540813 (1970-11-01), Murphy
patent: 3887303 (1975-06-01), Matsuzaka et al.
patent: 4511314 (1985-04-01), Fraser, Jr. et al.
patent: 4549859 (1985-10-01), Andrione et al.
patent: 5342179 (1994-08-01), Dreiman
Barnes Group Inc.
Evora Robert Z.
Freay Charles G.
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