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US 5,419,150 AGranted
Freezer with inner core
AssigneeFood Systems Partnership, Ltd.
InventorsLawrence R. Kaiser, Kenneth R. Shipley, Robert Z. Whipple
Life of this patent
Estimating the term…
Abstract
The frozen dessert machine of the present invention provides an inner core in its refrigeration chamber.
Claims18
In a frozen dessert machine, including a freezing chamber having an outer heat transfer wall;
- a liquid inlet port in said freezing chamber;
- a dispenser port at the front of said freezing chamber for dispensing the frozen dessert from the freezing chamber;
- said inlet and dispenser ports being separate from each other such ttmt liquid may enter through the inlet port as product leaves through the dispenser port;
- a dasher for mixing the frozen dessert in the freezing chamber and for scraping tile frozen dessert off the outer heat transfer wall of the freezing chamber;
- and including a drive at tile back of said freezing chamber for driving said dasher;
- characterized in that:
- said freezing chamber further includes an inner core extending from the back of the freezing chamber toward the front;
- a drive shaft extending from said drive at the back of said freezing chamber and connected to said dasher near the front of said freezing chamber;
- said drive shaft being enclosed by said inner core.
6 more elements
In a frozen dessert machine, including a freezing chamber having an outer heat transfer wall;
- a liquid inlet port in said freezing chamber;
- a dispenser port at the front of said freezing chamber for dispensing the frozen dessert from the freezing chamber;
- said inlet and dispenser ports being separate from each other such that liquid may enter through the inlet port as product leaves through the dispenser port;
- a dasher for mixing the frozen dessert in the freezing chamber and for scraping the frozen dessert off the outer heat transfer wall of the freezing chamber;
- and including a drive at the back of said freezing chamber for driving said dasher;
- characterized in that:
- said freezing chamber includes an inner core spaced from said outer heat transfer wall over substantially its entire length and extending substantially the length of said chamber;
- a drive shaft enclosed by said inner core and operatively connected to said drive at one end and to said dasher at the other end.
5 more elements
Dependencies are inferred from the claim text.