Joseph R Jondahl

US Patent:

48950017, Jan 23, 1990

Filed:

Mar 17, 1989

Appl. No.:

7/324724

Inventors:

Joseph S. Jondahl - Tulsa OK

International Classification:

F25B 2700

US Classification:

62326

Abstract:

An expandable refrigeration system for use in dispensing products to the public, the system including a base unit with a product containing chamber, a refrigeration system in the base unit and having a compressor and condenser portion and a fan for moving ambient air past the condenser, an evaporator cabinet supported adjacent the refrigeration system having an evaporator therein which is connected to the compressor and condenser of the refrigeration system and a fan for moving air past the evaporator whereby the air is coated, openings through which cooled air from the evaporator is conducted into the base unit product containing chamber, a slave unit having a product containing chamber contiguous with the base unit, first and second ducts communicating the interior of the base unit product containing chamber with the slave unit product containing chamber so that cooled air circulated in the base unit is also circulated in the slave unit allowing the addition of increased product containing space without an additional refrigeration system.

US Patent:

45094500, Apr 9, 1985

Filed:

Oct 25, 1982

Appl. No.:

6/436599

Inventors:

Joseph S. Jondahl - Tulsa OK

International Classification:

B05C 504

US Classification:

118 20

Abstract:

A sanitary customer attended food dispenser for dispensing individual servings of food with desired amount of sauce (e. g. nachos with molten cheese) involving a windowed enclosure containing a carousel of individual food servings and a centrally located heated reservoir of sauce (molten cheese) actuated by an external pump plunger handle. The enclosure is further equipped with a door for withdrawal of the food serving which indexes the carousel through a rotation equivalent to the advancement by the relative position of one food serving for each time the door is opened and then closed.