Energy efficient apparatus and method for popping popcorn

Patent metadata

Field	Value
Publication number	US-10653171-B2
Application number	US-201514955644-A
Country	US
Kind code	B2
Filing date	Dec 1, 2015
Priority date	May 7, 2010
Publication date	May 19, 2020
Grant date	May 19, 2020

Abstract

A popcorn popper having a heat source transferring heat to a heating surface and also having a reflective surface for focusing the heat radiated by the heat source toward the heating surface. The popcorn popper can include a mechanical stirrer on the heating surface for shifting the kernels during heating and evenly distributing the kernels across the heating surface. The popcorn popper can have a cover with an integrated reservoir for holding toppings for the popcorn, wherein the reservoir is adapted to drain the topping through the cover without fouling the cover air vents and evenly distribute the topping onto the kernels.

First claim

The invention claimed is:

1. A popcorn maker comprising:
a heating surface capable of receiving a quantity of popcorn kernels; and
a mechanical stirrer disposed on the heating surface, the mechanical stirrer including at least a pair of arms, each arm including at least one upwardly arched portion defining a blind spot below the at least one upwardly arched portion and at least one downwardly arched portion adapted to form rows of kernels and at least one downwardly arched portion adapted to break up the rows of kernels, wherein the mechanical stirrer rotates on top of the heating surface to distribute the popcorn kernels about the heating surface and wherein the at least one upwardly arched portion of each arm is offset from the at least one upwardly arched portion of the other arm such that the at least one upwardly arched portion of each arm sweeps across the heating surface at a unique distance as measured from a common rotational axis which runs through a center of the heating surface.

2. The popcorn maker of claim 1 , further comprising:
a cover having a top face and a bottom edge adapted to interface with the heating surface and further comprising:
a plurality of air vents disposed on the top face of the cover.

3. The popcorn maker of claim 2 , further comprising:
a reservoir disposed on the top face of the cover having a receiving surface adapted to receive a quantity of popcorn topping and a plurality of drains;
wherein the plurality of drains is adapted to distribute the quantity of popcorn topping fed onto the receiving surface onto the quantity of popcorn kernels on the heating surface.

4. The popcorn maker of claim 3 , wherein the plurality of drains is disposed between the receiving surface and the plurality of air vents, wherein the plurality of drains prevents the quantity of popcorn topping from fouling the plurality of air vents.

5. The popcorn maker of claim 3 , wherein the plurality of drains comprises a series of overlapping drains that deliver popcorn topping to the popcorn at continuously varying radial locations.

6. The popcorn maker of claim 1 , further comprising:
a guard preventing kernels from fouling the mechanical stirrer and preventing the rotation of the mechanical stirrer.

7. The popcorn maker of claim 1 , further comprising a reflective surface adapted to redirect heat originally radiated away from the heating surface toward the heating surface.

8. The popcorn maker of claim 7 , wherein the reflective surface has a tear shape adapted to direct and allocate heat to the heating surface.

9. The popcorn maker of claim 7 , wherein the reflective surface comprises a commercial aluminum material.

10. The popcorn maker of claim 1 , wherein the heating surface comprises a pan shape having a flat portion and a wall.

11. The popcorn maker of claim 1 , wherein the heating surface comprises a heat conductive material adapted to transfer heat received by the heating surface to the quantity of popcorn kernels.

12. The popcorn maker of claim 1 , further comprising at least two base unit handles for orientating popcorn maker without contacting the heating surface.

13. The popcorn maker of claim 12 , further comprising:
a cover having a bottom edge adapted to interface with the heating surface and at least two cover handles adapted to interface with the base unit handles, wherein the heating surface and the cover are adapted to be inverted without separating the cover from heating surface to transfer the popcorn kernels from the heating surface to the cover.

14. The popcorn maker of claim 1 , wherein each arm includes a plurality of upwardly arched portions.

15. A popcorn maker comprising:
a heating surface capable of receiving a quantity of popcorn kernels; and
a mechanical stirrer disposed on the heating surface, the mechanical stirrer including at least a pair of arms, wherein each arm includes at least one upwardly arched portion residing above the heating surface for defining a blind spot below the at least one upwardly arched portion, wherein each arm rotates about a common rotational axis defined through the heating surface and wherein each at least one upwardly arched portion is offset from the at least one upwardly arched portion of the other arm with respect to the common rotational axis so as to simultaneously define and break up rows of popcorn kernels within the blind spot below each of the at least one upwardly arched portion as each arm sweeps across the heating surface.

Assignees

• Nat Presto Industries Inc

Inventors

• Barrows Ryan H
• Berge Michael R

Classifications

• A23V2002/00

  Food compositions, function of food ingredients or processes for food or foodstuffs · CPC title

• A47J37/0629

  with electric heating elements · CPC title

• A47J36/165

  Stirring devices operatively connected to cooking vessels when being removably inserted inside (mixing, whipping, or beating devices A47J43/00) · CPC title

• A23L7/161

  Puffed cereals, e.g. popcorn or puffed rice · CPC title

• A23L7/183 Primary

  by heating without using a pressure release device · CPC title