# US 12,550,912 B1 · Ice cream machine

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- Number: US 12,550,912 B1
- Document ID: US12550912B1
- Status: Granted
- Kind: B1
- Application number: 19/090,461
- Filed: 2025-03-26
- Granted: 2026-02-17
- Earliest claimed: 2025-01-24
- Assignees: Guangdong Willing Technology Corporation
- Applicants: Guangdong Willing Technology Corporation
- Inventors: Jingnong Ye; Shuisheng Wen; Chengbo Yu
- Web page: https://patentgrep.com/patent/US12550912B1

## CPC

- A23G 9/26: for producing frozen sweets on sticks
- F25C 1/22: Construction of moulds; Filling devices for moulds
- A23G 9/04: Production of frozen sweets, e.g. ice-cream
- A23G 9/08: Batch production {(A23G9/06 takes precedence)}
- A23G 9/22: Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
- A23G 9/228: {Arrangement and mounting of control or safety devices}
- F25D 11/00: Self-contained movable devices, e.g. domestic refrigerators
- F25D 31/006: {specially adapted for cooling receptacles, e.g. tanks}
- A23G: COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- F25C: PRODUCING, WORKING OR HANDLING ICE
- F25D: REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR (refrigerated showcases A47F3/04; thermally-insulated vessels for domestic use A47J41/00; refrigerated vehicles, see the appropriate subclasses of classes B60 - B64; containers with thermal insulation in general B65D81/38; heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or materials for the production of heat or cold by chemical reactions other than by combustion C09K5/00; thermally-insulated vessels for liquefied or solidified gases F17C; air-conditioning or air-humidification F24F; refrigeration machines, plants, or systems F25B; cooling of instruments or comparable apparatus without refrigeration G12B)

## Abstract

The present disclosure discloses an ice cream machine, including a housing. An outer frame is provided inside the housing, a sidewall of the housing defines a first opening, a sidewall of the outer frame defines a second opening. An inner frame is provided inside the outer frame, and the inner frame is removable from the outer frame from the second opening and the first opening. An evaporation pipe, a compressor, and a condenser are provided inside the housing, the evaporation pipe is wound around the outer frame, and the evaporation pipe is connected to the compressor and the condenser.

## Claims

### Claim 1

An ice cream machine, comprising a housing, wherein an outer frame is disposed inside the housing, a sidewall of the housing is defined with a first opening, a sidewall of the outer frame is defined with a second opening, an inner frame is provided inside the outer frame, and the inner frame is detachable from the outer frame through the second opening and the first opening; an evaporation tube, a compressor, and a condenser are provided inside the housing: the evaporation tube is wound around the outer frame, and the evaporation tube is connected to the compressor and the condenser; and
a thermal insulation cover is further provided inside the housing, one side of the thermal insulation cover facing the compressor and the condenser is defined with a through hole, one end of the evaporation tube is connected to one end of the compressor through a metal tube, another end of the compressor is connected to one end of the condenser through another metal tube, and another end of the condenser is connected to another end of the evaporation tube through a third metal tube, and the through hole allows the metal tube to pass through.

### Claim 2 (depends on 1)

The ice cream machine according to claim 1, wherein the thermal insulation cover covers the outer frame, and the compressor and the condenser are located outside the thermal insulation cover.

### Claim 3 (depends on 2)

The ice cream machine according to claim 2, wherein a sidewall of the thermal insulation cover is defined with a third opening, an edge of the third opening is screwed to an edge of the first opening, and the outer frame is removable from the thermal insulation cover from the third opening.

### Claim 4

An ice cream machine, comprising a housing, wherein an outer frame is disposed inside the housing, a sidewall of the housing is defined with a first opening, a sidewall of the outer frame is defined with a second opening, an inner frame is provided inside the outer frame, and the inner frame is detachable from the outer frame through the second opening and the first opening; an evaporation tube, a compressor, and a condenser are provided inside the housing; the evaporation tube is wound around the outer frame, and the evaporation tube is connected to the compressor and the condenser;
a thermal insulation cover is further provided inside the housing; and
wherein an edge of the second opening is screwed to the edge of the first opening, and a drainage port is provided on a side of the outer frame away from the second opening, and the drainage port passes through a sidewall of the thermal insulation cover.

### Claim 5 (depends on 2)

The ice cream machine according to claim 2, wherein the compressor and the condenser are located below the thermal insulation cover, the compressor and the condenser are distributed laterally, and the first opening extends laterally.

### Claim 6

An ice cream machine,
wherein an outer frame is disposed inside a housing, a sidewall of the housing is defined with a first opening, a sidewall of the outer frame is defined with a second opening, an inner frame is provided inside the outer frame, and the inner frame is detachable from the outer frame through the second opening and the first opening; an evaporation tube, a compressor, and a condenser are provided inside the housing; the evaporation tube is wound around the outer frame, and the evaporation tube is connected to the compressor and the condenser; and
wherein a plurality of ice cream grooves are provided inside the inner frame, the plurality of ice cream grooves pass through the second opening and the first opening, the plurality of ice cream grooves are configured to make ice cream, a silicone cover is provided above the inner frame, and the silicone cover is configured to seal the plurality of ice cream grooves.

### Claim 7 (depends on 2)

The ice cream machine according to claim 2, wherein a plurality of ice cream grooves are provided inside the inner frame, the plurality of ice cream grooves pass through the second opening and the first opening, the plurality of ice cream grooves are configured to make ice cream, a silicone cover is provided above the inner frame, and the silicone cover is configured to seal the plurality of ice cream grooves.

### Claim 8 (depends on 3)

The ice cream machine according to claim 3, wherein a plurality of ice cream grooves are provided inside the inner frame, the plurality of ice cream grooves pass through the second opening and the first opening, the plurality of ice cream grooves are configured to make ice cream, a silicone cover is provided above the inner frame, and the silicone cover is configured to seal the plurality of ice cream grooves.

### Claim 9 (depends on 1)

The ice cream machine according to claim 1, wherein a plurality of ice cream grooves are provided inside the inner frame, the plurality of ice cream grooves pass through the second opening and the first opening, the plurality of ice cream grooves are configured to make ice cream, a silicone cover is provided above the inner frame, and the silicone cover is configured to seal the plurality of ice cream grooves.

### Claim 10 (depends on 4)

The ice cream machine according to claim 4, wherein a plurality of ice cream grooves are provided inside the inner frame, the plurality of ice cream grooves pass through the second opening and the first opening, the plurality of ice cream grooves are configured to make ice cream, a silicone cover is provided above the inner frame, and the silicone cover is configured to seal the plurality of ice cream grooves.

### Claim 11 (depends on 5)

The ice cream machine according to claim 5, wherein a plurality of ice cream grooves are provided inside the inner frame, the plurality of ice cream grooves pass through the second opening and the first opening, the plurality of ice cream grooves are configured to make ice cream, a silicone cover is provided above the inner frame, and the silicone cover is configured to seal the plurality of ice cream grooves.

### Claim 12 (depends on 6)

The ice cream machine according to claim 6, wherein a flange is provided on an edge of one end of the inner frame, and the flange forms is engaged with an edge of the first opening to retain the inner frame from sinking into of the outer frame.

### Claim 13 (depends on 1)

The ice cream machine according to claim 1, wherein the housing comprises an upper retention cap, a base, a left cover, a right cover, a display panel, and a rear cover distributed along three orthogonal axes, and an inner wall of the display panel is connected to a control panel, and the control panel is electrically connected to the compressor.

### Claim 14 (depends on 2)

The ice cream machine according to claim 2, wherein the housing comprises an upper retention cap, a base, a left cover, a right cover, a display panel, and a rear cover distributed along three orthogonal axes, and an inner wall of the display panel is connected to a control panel, and the control panel is electrically connected to the compressor.

### Claim 15 (depends on 3)

The ice cream machine according to claim 3, wherein the housing comprises an upper retention cap, a base, a left cover, a right cover, a display panel, and a rear cover distributed along three orthogonal axes, and an inner wall of the display panel is connected to a control panel, and the control panel is electrically connected to the compressor.

### Claim 16 (depends on 6)

The ice cream machine according to claim 6, wherein the housing comprises an upper retention cap, a base, a left cover, a right cover, a display panel, and a rear cover distributed along three orthogonal axes, and an inner wall of the display panel is connected to a control panel, and the control panel is electrically connected to the compressor.

### Claim 17 (depends on 4)

The ice cream machine according to claim 4, wherein the housing comprises an upper retention cap, a base, a left cover, a right cover, a display panel, and a rear cover distributed along three orthogonal axes, and an inner wall of the display panel is connected to a control panel, and the control panel is electrically connected to the compressor.

### Claim 18 (depends on 5)

The ice cream machine according to claim 5, wherein the housing comprises an upper retention cap, a base, a left cover, a right cover, a display panel, and a rear cover distributed along three orthogonal axes, and an inner wall of the display panel is connected to a control panel, and the control panel is electrically connected to the compressor.

### Claim 19 (depends on 13)

The ice cream machine according to claim 13, wherein the upper retention cap is defined with the first opening, an upper cover is provided above the upper retention cap, and the upper cover is configured to cover the first opening and the inner frame.