# US 2018/0320951 A1 · Condenser and refrigerator having same

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- Number: US 2018/0320951 A1
- Document ID: US20180320951A1
- Status: Published application
- Kind: A1
- Application number: 16/025,723
- Filed: 2018-07-02
- Published: 2018-11-08
- Earliest claimed: 2016-04-21
- Assignees: Hefei Hualing Co., Ltd.; Midea Group Co., Ltd.
- Applicants: Hefei Hualing Co., Ltd.; Midea Group Co., Ltd.
- Inventors: Xiaochun GUO; Pingchuan Chen; Tao Tang; Haihong Hu; Qun Huang; Xiaojun Li
- Web page: https://patentgrep.com/patent/US20180320951A1

## CPC

- F25D 23/003: {for cooling refrigerating machinery}
- F25B 39/04: Condensers
- F25D 17/062: {in household refrigerators}
- F25D 19/00: Arrangement or mounting of refrigeration units with respect to devices {or objects to be refrigerated, e.g. infrared detectors}
- F28B 1/06: using air or other gas as the cooling medium
- F28D 1/024: {with an air driving element}
- F28D 1/0472: {the conduits being helically or spirally coiled}
- F28D 7/02: the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence})
- F28D 7/024: {the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration}
- F28D 2021/007: {Condensers}
- 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)
- F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F28B: STEAM OR VAPOUR CONDENSERS (condensation of vapours B01D5/00; steam engine plants having condensers F01K; liquefaction of gases F25J; details of heat-exchange and heat-transfer arrangements of general application F28F)
- F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general)

## Abstract

Provided are a condenser (100) and a refrigerator having same. The condenser (100) comprises: an air duct (10), with an air channel (11) being defined in the air duct (10); an air supply device (20), with the air supply device (20) being fixedly connected to the air duct (10); and a condensation member (30), with the condensation member (30) having a refrigerant inlet (a) and a refrigerant outlet (b), and the condensation member (30) being at least partially located in the air channel (11).

## Claims

### Claim 1

A condenser comprising:
an air duct defining an air channel therein;
an air supply device fixedly connected to the air duct; and
a condensation member having a refrigerant inlet and a refrigerant outlet, the condensation member being at least partly disposed within the air channel.

### Claim 2 (depends on 1)

The condenser according to claim 1, wherein the condensation member comprises a plurality of first condensation pipe segments consecutively arranged in an axial direction of the air duct and communicated with each other, each of the first condensation pipe segments is spirally formed by a first condensation pipe, and a spiral line of each of the first condensation pipe segments is located in a surface defined by a circular ring.

### Claim 3 (depends on 2)

The condenser according to claim 2, wherein each of the first condensation pipe segments has an inner side located in a same inner circular ring and an outer side located in a same outer circular ring, the inner circular rings of the plurality of first condensation pipe segments are arranged coaxially and the outer circular rings of the plurality of first condensation pipe segments are arranged coaxially.

### Claim 4 (depends on 3)

The condenser according to claim 3, wherein encircling centers of two adjacent first condensation pipe segments are coaxially provided and the encircling centers of the two adjacent first condensation pipe segments have different diameters; when the number of the first condensation pipe segments is equal to or more than two, the encircling center of each first condensation pipe segment and the encircling center of the sub-adjacent first condensation pipe segment have the same diameter.

### Claim 5 (depends on 3)

The condenser according to claim 3, wherein an inner diameter of the air duct is larger than a diameter of the outer circular ring.

### Claim 6 (depends on 2)

The condenser according to claim 2, wherein the condensation member also comprises a second condensation pipe segment communicated with at least one of the plurality of first condensation pipe segments, the second condensation pipe segment being located in an inner side of the plurality of first condensation pipe segments.

### Claim 7 (depends on 6)

The condenser according to claim 6, wherein the second condensation pipe segment is formed by a second condensation pipe spirally encircling a center axis of the air duct.

### Claim 8 (depends on 7)

The condenser according to claim 7, wherein the second condensation pipe segment and the plurality of first condensation pipe segments are successively connected, the refrigerant inlet is defined in the second condensation pipe segment and the refrigerant outlet is defined in one of the plurality of first condensation pipe segments, or the refrigerant outlet is defined in the second condensation pipe segment and the refrigerant inlet is defined in one of the plurality of first condensation pipe segments.

### Claim 9 (depends on 8)

The condenser according to claim 8, wherein an upper end of the second condensation pipe segment is connected to the uppermost first condensation pipe segment, the first condensation pipe segment located above is connected to the adjacent first condensation pipe segment located below, the refrigerant inlet is defined in one of the second condensation pipe segment and the lowermost first condensation pipe segment located, and the refrigerant outlet is defined in the other one of the second condensation pipe segment and the lowermost first condensation pipe segment.

### Claim 10 (depends on 1)

The condenser according to claim 1, wherein the condensation member comprises a plurality of third condensation pipe segments consecutively arranged from outside to inside, two adjacent third condensation pipe segments are communicated with each other, and each of the third condensation pipe segments is formed by a third condensation pipe spirally encircling a center axis of the air duct.

### Claim 11 (depends on 10)

The condenser according to claim 10, wherein a spiral line of each of the third condensation pipe segments is substantially located in a same cylindrical surface, when the number of the third condensation pipe segments is equal to or more than two, a difference value between diameters of the cylindrical surfaces where the spiral lines of two adjacent third condensation pipe segments is a constant value.

### Claim 12 (depends on 10)

The condenser according to claim 10, wherein a spiral line of each of the third condensation pipe segments is substantially located in a same conical surface, the spiral line of each of the third condensation pipe segments gradually extends inwards from up to down, an inner diameter of the air duct is gradually reduced from up to down, and a gap is provided between the air duct and an outermost third condensation pipe segment.

### Claim 13 (depends on 10)

The condenser according to claim 10, wherein an inlet and an outlet of each of the third condensation pipe segments are defined at an uppermost end and at a lowermost end respectively; in two adjacent third condensation pipe segments, the inlet of one third condensation pipe segment is aligned and communicated with the outlet of the other third condensation pipe segment.

### Claim 14 (depends on 1)

The condenser according to claim 1, wherein the refrigerant inlet and the refrigerant outlet extend out of the air duct through a through hole located at a bottom of the air duct.

### Claim 15

A refrigerator, comprising a condenser, the condenser further comprising:
an air duct defining an air channel therein;
an air supply device fixedly connected to the air duct; and
a condensation member having a refrigerant inlet and a refrigerant outlet, the condensation member being at least partly disposed within the air channel.

### Claim 16 (depends on 15)

The refrigerator according to claim 15, wherein the refrigerator has a compressor room for at least containing a compressor, and an air supply device is fixed in the compressor room through a mounting support.
