Auger type icemaker

Details Auger type icemaker Auger type icemaker

1992-01-17

1993-03-30

Tapolcai, William E.

Refrigeration

Means producing shaped or modified congealed product

Heat absorber with product remover

F05C 114

Patent

active

051973006

ABSTRACT:
An auger type icemaker including an evaporator housing having a cylindrical inner freezing surface on which ice crystals may form, an auger mounted for rotary movement within the housing to be driven to scrape ice crystals off the freezing surface and to advance the scraped ice crystals toward an upper end portion of the housing, an extrusion head formed with a plurality of ice extruding passages and axially slidably coupled within an annular space between the upper end portion of the housing and an upper shaft portion of the auger, wherein a screw is threaded into the upper end portion of the housing and engaged with an axial key-groove of the extrusion head to restrict rotary movement of the extrusion head, and a cam mechanism mounted on the upper shaft portion of the auger to effect axial movement of the extrusion head in accordance with rotary movement of the auger and to restrict upward movement of the extrusion head at an upper dead point thereof.

REFERENCES:
patent: 3196628 (1965-07-01), Reynolds
patent: 3863463 (1975-02-01), Utter et al.
patent: 4467622 (1984-08-01), Takahashi et al.
patent: 4497184 (1985-02-01), Utter et al.
patent: 4574593 (1986-03-01), Nelson
patent: 4741173 (1988-05-01), Neumann

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