Pumps – Motor driven – Electric or magnetic motor
Patent
1987-06-02
1988-08-30
Tapolcai, William E.
Pumps
Motor driven
Electric or magnetic motor
310 63, 403360, F04B 1700
Patent
active
047672862
ABSTRACT:
A pump assembly for use in circulating water from a reservoir to an ice forming mold in an ice making machine, the pump assembly comprising an unvented, unit bearing electric motor having a downwardly extending drive shaft, a pump having a housing with an inlet and an outlet, a fan secured to the drive shaft between the motor and the pump, a support structure interconnecting the pump and the motor, said support structure including a cylindrical upper portion encircling the fan and having an upper edge which is spaced from the bottom of the motor to define an annular slot, said interconnecting structure also including a lower portion with openings near the surface of the water in the reservoir, and a substantially cylindrical collar encircling the motor which defines a substantially axial extension of the annular slot, through which cool air from the surface of the reservoir is directed to the motor to prevent the motor from overheating.
REFERENCES:
patent: 10488 (1854-01-01), White
patent: 2264945 (1941-12-01), Le Fevre
patent: 2613240 (1952-10-01), Robinson
patent: 3199774 (1965-08-01), Lowell
patent: 3229896 (1966-01-01), Levy
patent: 3407739 (1968-10-01), Myers
patent: 3643119 (1972-02-01), Lukens
patent: 4557672 (1985-12-01), Levine
Jaschinski John J.
Kohl Vance L.
Tapolcai William E.
The Manitowoc Company Inc.
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