US3792595A - Transportable refrigeration apparatus for preserving perishables - Google Patents
Transportable refrigeration apparatus for preserving perishables Download PDFInfo
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- US3792595A US3792595A US00301010A US3792595DA US3792595A US 3792595 A US3792595 A US 3792595A US 00301010 A US00301010 A US 00301010A US 3792595D A US3792595D A US 3792595DA US 3792595 A US3792595 A US 3792595A
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- exit
- flared
- compartment
- exit nozzle
- discharge end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/005—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces in cold rooms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F2013/0608—Perforated ducts
Definitions
- Therm Kin C ti a transportable refrigeration compartment for preserv- Minneapolis, Minn. ing perishables.
- the apparatus includes the combination of a heat exchanger having an exit nozzle for pro- [22] 1972 ducing and discharging a gaseous cooling medium and [21] Appl, No 301,010 a venturi-type conduit.
- the venturi conduit comprises an exit end and a flared inlet end which is aligned longitudinally apart from the heat exchanger exit nozzle [52] [1.8.
- 51 I Cl 98/20 62,407 62,89 Gas ambient to the compartment and the cooling me- [58] .f being ejected from the heat exchanger can be 1 d 98/9 mixed within the flared end, with the tempered mix- 2/415 U 97 ture being exhausted through the venturi conduit exit end and into the storage compartment.
- venturi-type conduit having a flared inlet end portion which is aligned longitudinally apart from the respective exit nozzle of the heat exchanger and in a predetermined spaced relationship therewith.
- a transportable refrigeration unit for preserving perishable goods includes a compartment for storing the perishables and a suitable disposed heat exchange apparatus which is adapted to discharge a gaseous cooling medium through the discharge end of an exit nozzle and into the compartment at a relatively high velocity and low temperature.
- a venturi-type conduit is also provided comprising an exit end portion which communicates with the storage compartment and a flared inlet end portion converging to and connected with the exit end portion through a throat of reduced cross section.
- the flared inlet portion is aligned longitudinally apart from the exit nozzle discharge end and in a predetermined spaced relationship therewith, wherein gas of a relatively low velocity and high temperature, which is ambient to the perishables, and the gaseous cooling medium of relatively high velocityand low temperature may be mixed.
- gas of a relatively low velocity and high temperature which is ambient to the perishables
- gaseous cooling medium of relatively high velocityand low temperature may be mixed.
- the tempered mixture can then be ex hausted through the venturi conduit exit end and in the storage compartment.
- the heat exchange exit nozzle and the flared inlet end portion may be enclosed by a hollow duct in which the front and rear ends are open and exposed to the ambient air of the perishables so that an aspiration effect can be inducted therein.
- FIG. 1 is a fragmentary side elevation partly in section of the instant invention as employed within a transportable refrigeration unit; 1
- FIG. 2 is an isometric view of the instant invention as employed within the cargo space of a transportable refrigeration unit;
- FIGS. 3 and 4 are partially broken away crosssectional views of the instant invention.
- FIG. 5 is a detailed isometric view of the instant invention.
- a transportable refrigeration vehicle intended primarily for the transportation of perishable foodstuffs, is generally represented by the numeral 11.
- the vehicle body consists of an outer shell having a top wall 2, a bottom wall 4, end walls 6 and 8, and side walls and 12, each wall being provided with an intermediate layer of thermal insulation 10.
- a cargo chamber 50 within the vehicle l is included a cargo chamber 50, wherein the perishables may be stored and preserved.
- Cargo chamber 50 has a floor rack 13 which is disposed above the vehicle body bottom wall 4 and is composed of a plurality of spaced members 14.
- partition 16 separates chamber 50 from vehicle end.
- Partition 16 is suitably spaced from wall 6, so as to form a compartment or air space 25 therebetween which communicates with the channel 18, as formed between the raised floor rack 13 and bottom wall 4, and the space within cargo chamber 50.
- compartment 25 is a refrigerant evaporator or the heat exchange unit 30 of a mechanical refrigeration system.
- the heat exchange unit 30 is suitably positioned within the compartment 25 and adapted to pass a gaseous cooling medium, such as chilled air, through the cargo chamber 50 at a relatively high velocity and low temperature.
- a gaseous cooling medium such as chilled air
- In'communication with the heat exchange unit 30 is a tapering exit nozzle 32 having a truncated base and an associated discharge end 33 through which the cooling medium is discharged.
- a conduit 34 is also provided within chamber 50 and adapted to receive the cooling medium being discharged from exit nozzle discharge end 33.
- Conduit 34 (best illustrated in FIGS. 3 through 5) is of type similar to the conventional venturi tube and comprises an exit end portion 36, which communicates with the atmosphere of cargo chamber 50, and a flared inlet end portion 35, which converges with and is connected to the exit end portion 36 through an intermediate throat 37 of reduced cross section. Flared inlet end 35 is aligned longitudinally apart from the exit nozzle discharge end 33 in a predetermined spaced relationship so as to form a gap 60 between inlet end 35 and discharge end 33 in order that the cooling medium being discharged through discharge end 33 can be received by the inlet end portion 35.
- the advantages of maintaining the gap 60 between the exit nozzle discharge end 33 and the inlet portion 35 of conduit 34 will shortly become apparent.
- flared inlet portion 35 be of a larger cross section than that of the exit nozzle discharge end 33.
- the proper dimensioning and spacing of discharge end 33 relative to inlet portion 35 will cause an aspiration effect within the area of the flared inlet portion, wherein the gaseous cooling medium, having a relatively high velocity and low temperature, and gas of a relatively lower velocity and higher temperature, which is ambient to the cargo chamber atmosphere and to the perishables contained therein, may be mixed and the temperatured mixture of gases through the exit end portion 36 of conduit 34 and into cargo chamber.
- a gaseous cooling medium being discharged from the heat exchange unit 30 and having a temperature of about 51 F could be tempered to effect both a more moderate discharge cooling medium temperature and a more even distribution of the tempered mixture throughout vehicle cargo chamber 50.
- a tempered mixture has been exhausted from duct end portion 36 with a resultant temperature of generally between 55 and 57 F.
- a further consequence of the aspiration effect is to more evenly distribute the tempered mixture by inducing a path of continuous circulation throughout cargo chamber 50 and down through the floor rack 13 (shown by FIG. 1) to the forward end of the chamber by way of channel 18 where the major portion of the air will flow upward through compartment and into the heat ex change unit for recirculation.
- the temperature and volume of the gases entering inlet end 35 can be regulated, depending upon the size of the gap, and accordingly, the temperature of the mixture being exhausted from conduit exit end 36 can be controlled, as desired, without the need of complex regulating equipment.
- the tempered mixture of gases may be exhausted through conduit 34 and directly into the cargo chamber, as illustrated in FIGS. 3 through '5, or exit end portion 36 may be suitably modified as part of the conduit assembly. It is alsowithin the scope of this invention for conduit exit end 36 to be longitudinally extended (not shown) across a portion of chamber 50 in order that the tempered mixture may be exhausted at a point near the vehicle end wall 8. Or, still another arrangement, as shown in FIGS. 1 and 2, would be to affix a separate, longitudinally extending and closely woven fabric 40 to exit end 36 which would enable the tempered mixture to escape from pockets 41 formed between neetting 40 and the vehicle 'top wall 2, thereby providing a wider distribution of the mixture throughout the cargo air space.
- the flared inlet end portion 35 of conduit 34 and the discharge end 33 of the heat exchanger exit nozzle 32 may be enclosed by a hollow duct 38 having both its front and rear end walls 42 and 44 open and exposed to the cargo space which is ambient to the perishables.
- a duct such as that shown at 38, it has been found that an aspiration effect may occur, not only in the area of the conduit inlet end portion 35, as previously disclosed, but also at the front and rear ends 42 and 44 of the duct 38.
- a different supply of air ambient to the cargo space will be available for mixing with the chilled cooling medium at conduit inlet end 35, and consequently, a better circulation of the tempered mixture will be induced throughout the cargo storage space.
- the positioning of duct 38 relatively to gap can also provide further means for regulating the resultant temperature of the tempered mixture being exhausted from conduit exit end 36 without the need of complex control equipment.
- the disclosed apparatus which are relatively simple and inexpensive means for regulating the cooling of a transportable refrigeration cargo chamber to preserve perishables, will help to reduce the ultimate cost to the user.
- a transportable refrigeration unit for preserving perishables including a compartment for storing said perishables, heat exchange means suitably positioned in relation to said compartment and'adapted to pass a gaseous cooling medium therethrough at a relatively high velocity and low temperature, an exit nozzle means in communication with said heat exchange means having an associated discharge end for discharg-.
- conduit means comprising an exit end portion communicating with said storage compartment and a flared inlet end portion converging with and connected to the exit end portion, said flared inlet end being of sufficient dimension and aligned longitudinally apart from said exit nozzle discharge end in the direction of said coolant flow and in a predetermined spaced relationship therewith, whereby gas of relatively low velocity and high temperature and ambient to the perishables and said gaseous cooling medium of relatively high velocity and low temperature may be mixed in said flared portion to thereby enable the tempered mixture to be exhausted from said exit and into said storage compartment.
Abstract
This invention relates to cooling apparatus used within a transportable refrigeration compartment for preserving perishables. The apparatus includes the combination of a heat exchanger having an exit nozzle for producing and discharging a gaseous cooling medium and a venturi-type conduit. The venturi conduit comprises an exit end and a flared inlet end which is aligned longitudinally apart from the heat exchanger exit nozzle and in a predetermined spaced relationship therewith. Gas ambient to the compartment and the cooling medium being ejected from the heat exchanger can be mixed within the flared end, with the tempered mixture being exhausted through the venturi conduit exit end and into the storage compartment. To provide an induced circulation of the tempered mixture throughout the compartment, the venturi conduit flared inlet end and the heat exchanger exit nozzle may be enclosed by a hollow duct having both the front and back walls removed so as to induce an aspiration effect therein.
Description
w t nite States Patent [191 n] 3,792,595 Willis Feb. 19, 1974 TRANSPORT/ABLE REFRIGERATION Primary Examiner-William J. Wye
APPARATUS FOR PRESERVING Attorney, Agent, or Firm-F. H. Henson PERISHABLES [75] Inventor: Leonard L. Willis, Minneapolis, ABSTRACT This invention relates to Cooling apparatus used within [73] Assignee; Therm Kin C ti a transportable refrigeration compartment for preserv- Minneapolis, Minn. ing perishables. The apparatus includes the combination of a heat exchanger having an exit nozzle for pro- [22] 1972 ducing and discharging a gaseous cooling medium and [21] Appl, No 301,010 a venturi-type conduit. The venturi conduit comprises an exit end and a flared inlet end which is aligned longitudinally apart from the heat exchanger exit nozzle [52] [1.8. Ci 62/414, 62/239, 98/9, and in a predetermined spaced relationship therewith. 51 I Cl 98/20 62,407 62,89 Gas ambient to the compartment and the cooling me- [58] .f being ejected from the heat exchanger can be 1 d 98/9 mixed within the flared end, with the tempered mix- 2/415 U 97 ture being exhausted through the venturi conduit exit end and into the storage compartment. To provide an [56] References Cited induced circulation of the tempered mixture through- UNITED STATES PATENTS out the compartment, the venturi conduit flared inlet 1,027,740 5/1912 Leeming 98/20 end and the heat exchanger exit nozzle may be enl,973,022 9/1934 Strobell.... 62/419 closed by a hollow duct having both the front and 2,780,923 Jones 62/73 back walls removed so as to induce an aspiration ef- 2,793,834 5/1957 Henney 62/419 f therein l,296,968 3/1919 Klein 62/97 5 Claims, 5 Drawing Figures PATENTEU FEB 1 9 I974 SHEEY 2 0F 2 TRANSPORTABLE REFRIGERATION APPARATUS FOR PRESERVING PERISI-IABLES CROSS REFERENCES TO RELATED APPLICATIONS So far as known, this application is not related to any other pending patent applications.
BACKGROUND OF THE INVENTION The problem of unevenly distributing a cooling gas to a cargo, which must be preserved by chilling during transit, has been known to exist in transportable refrigeration. compartments of the type which are cooled by the circulation of refrigerated air. The temperature in the compartment has been held close to, but often above, the freezing point of a perishable commodity, such as fresh produce. Present attempts to correct this problem have included complex control units or bulky space consuming duct systems. Methods which provide refrigeration through the use of gases, such as Freon or carbon dioxide, have been found subject to maintenance and temperature control-problems, while at the same time producing adverse temperature gradients.
It would therefore be desirable to employ standard refrigeration apparatus within a transportable cargo container to uniformly chill a product stored therein without the necessity of complex controls or complicated space consuming ductwork. It would also be desirable to reduce the possibility of maintenance and the need for highly complex temperature control, thereby helping to reduce cost to the user.
PRIOR ART Jones Grames Feb. I957 June 1969 However, none of the above patents discloses a venturi-type conduit having a flared inlet end portion which is aligned longitudinally apart from the respective exit nozzle of the heat exchanger and in a predetermined spaced relationship therewith.
SUMMARY OF THE INVENTION A transportable refrigeration unit for preserving perishable goods is disclosed. The unit includes a compartment for storing the perishables and a suitable disposed heat exchange apparatus which is adapted to discharge a gaseous cooling medium through the discharge end of an exit nozzle and into the compartment at a relatively high velocity and low temperature. A venturi-type conduit is also provided comprising an exit end portion which communicates with the storage compartment and a flared inlet end portion converging to and connected with the exit end portion through a throat of reduced cross section.
ln accordance with the instant invention, the flared inlet portion is aligned longitudinally apart from the exit nozzle discharge end and in a predetermined spaced relationship therewith, wherein gas of a relatively low velocity and high temperature, which is ambient to the perishables, and the gaseous cooling medium of relatively high velocityand low temperature may be mixed. The tempered mixture can then be ex hausted through the venturi conduit exit end and in the storage compartment. To provide an induced circulation through the compartment and a more even distribution of the tempered air to the perishables, the heat exchange exit nozzle and the flared inlet end portion may be enclosed by a hollow duct in which the front and rear ends are open and exposed to the ambient air of the perishables so that an aspiration effect can be inducted therein.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a fragmentary side elevation partly in section of the instant invention as employed within a transportable refrigeration unit; 1
FIG. 2 is an isometric view of the instant invention as employed within the cargo space of a transportable refrigeration unit;
FIGS. 3 and 4 are partially broken away crosssectional views of the instant invention; and
FIG. 5 is a detailed isometric view of the instant invention.
DESCRIPTION .OF PREFERRED EMBODIMENT Referring to FIGS. 1 and 2 of the drawings, a transportable refrigeration vehicle, intended primarily for the transportation of perishable foodstuffs, is generally represented by the numeral 11. The vehicle body consists of an outer shell having a top wall 2, a bottom wall 4, end walls 6 and 8, and side walls and 12, each wall being provided with an intermediate layer of thermal insulation 10. Within the vehicle l is included a cargo chamber 50, wherein the perishables may be stored and preserved. Cargo chamber 50 has a floor rack 13 which is disposed above the vehicle body bottom wall 4 and is composed of a plurality of spaced members 14. A
The heat exchange unit 30 is suitably positioned within the compartment 25 and adapted to pass a gaseous cooling medium, such as chilled air, through the cargo chamber 50 at a relatively high velocity and low temperature. In'communication with the heat exchange unit 30 is a tapering exit nozzle 32 having a truncated base and an associated discharge end 33 through which the cooling medium is discharged.
In accordance with the instant invention, a conduit 34 is also provided within chamber 50 and adapted to receive the cooling medium being discharged from exit nozzle discharge end 33. Conduit 34 (best illustrated in FIGS. 3 through 5) is of type similar to the conventional venturi tube and comprises an exit end portion 36, which communicates with the atmosphere of cargo chamber 50, and a flared inlet end portion 35, which converges with and is connected to the exit end portion 36 through an intermediate throat 37 of reduced cross section. Flared inlet end 35 is aligned longitudinally apart from the exit nozzle discharge end 33 in a predetermined spaced relationship so as to form a gap 60 between inlet end 35 and discharge end 33 in order that the cooling medium being discharged through discharge end 33 can be received by the inlet end portion 35. The advantages of maintaining the gap 60 between the exit nozzle discharge end 33 and the inlet portion 35 of conduit 34 will shortly become apparent.
It is desirable that flared inlet portion 35 be of a larger cross section than that of the exit nozzle discharge end 33. Thus, the proper dimensioning and spacing of discharge end 33 relative to inlet portion 35 will cause an aspiration effect within the area of the flared inlet portion, wherein the gaseous cooling medium, having a relatively high velocity and low temperature, and gas of a relatively lower velocity and higher temperature, which is ambient to the cargo chamber atmosphere and to the perishables contained therein, may be mixed and the temperatured mixture of gases through the exit end portion 36 of conduit 34 and into cargo chamber The tThe principle of an aspiration effect is well known and is described in greater detail in US. Pat. No. 3,447,336 to H. Gramse.
It has been found that by application of the apparatus as disclosed above within a transportable refrigeration unit, a gaseous cooling medium being discharged from the heat exchange unit 30 and having a temperature of about 51 F could be tempered to efect both a more moderate discharge cooling medium temperature and a more even distribution of the tempered mixture throughout vehicle cargo chamber 50. By way of example, with the cargo chamber ambient air having a temperature of about 68 F, a tempered mixture has been exhausted from duct end portion 36 with a resultant temperature of generally between 55 and 57 F. A further consequence of the aspiration effect is to more evenly distribute the tempered mixture by inducing a path of continuous circulation throughout cargo chamber 50 and down through the floor rack 13 (shown by FIG. 1) to the forward end of the chamber by way of channel 18 where the major portion of the air will flow upward through compartment and into the heat ex change unit for recirculation.
By aligning flared inlet end longitudinally apart from the exit nozzle discharge end 33 and maintaining a predetermined space or gap 60 therebetween, the temperature and volume of the gases entering inlet end 35 can be regulated, depending upon the size of the gap, and accordingly, the temperature of the mixture being exhausted from conduit exit end 36 can be controlled, as desired, without the need of complex regulating equipment.
The tempered mixture of gases may be exhausted through conduit 34 and directly into the cargo chamber, as illustrated in FIGS. 3 through '5, or exit end portion 36 may be suitably modified as part of the conduit assembly. It is alsowithin the scope of this invention for conduit exit end 36 to be longitudinally extended (not shown) across a portion of chamber 50 in order that the tempered mixture may be exhausted at a point near the vehicle end wall 8. Or, still another arrangement, as shown in FIGS. 1 and 2, would be to affix a separate, longitudinally extending and closely woven fabric 40 to exit end 36 which would enable the tempered mixture to escape from pockets 41 formed between neetting 40 and the vehicle 'top wall 2, thereby providing a wider distribution of the mixture throughout the cargo air space.
As an alternate embodiment of the instant invention, the flared inlet end portion 35 of conduit 34 and the discharge end 33 of the heat exchanger exit nozzle 32 may be enclosed by a hollow duct 38 having both its front and rear end walls 42 and 44 open and exposed to the cargo space which is ambient to the perishables. With the addition of a duct, such as that shown at 38, it has been found that an aspiration effect may occur, not only in the area of the conduit inlet end portion 35, as previously disclosed, but also at the front and rear ends 42 and 44 of the duct 38. Thus, a different supply of air ambient to the cargo space will be available for mixing with the chilled cooling medium at conduit inlet end 35, and consequently, a better circulation of the tempered mixture will be induced throughout the cargo storage space. The positioning of duct 38 relatively to gap can also provide further means for regulating the resultant temperature of the tempered mixture being exhausted from conduit exit end 36 without the need of complex control equipment. Thus, the disclosed apparatus, which are relatively simple and inexpensive means for regulating the cooling of a transportable refrigeration cargo chamber to preserve perishables, will help to reduce the ultimate cost to the user.
Other modifications will occur to those skilled in the art.
I claim:
1. A transportable refrigeration unit for preserving perishables including a compartment for storing said perishables, heat exchange means suitably positioned in relation to said compartment and'adapted to pass a gaseous cooling medium therethrough at a relatively high velocity and low temperature, an exit nozzle means in communication with said heat exchange means having an associated discharge end for discharg-.
ing said cooling medium therefrom, and a conduit means, said conduit means comprising an exit end portion communicating with said storage compartment and a flared inlet end portion converging with and connected to the exit end portion, said flared inlet end being of sufficient dimension and aligned longitudinally apart from said exit nozzle discharge end in the direction of said coolant flow and in a predetermined spaced relationship therewith, whereby gas of relatively low velocity and high temperature and ambient to the perishables and said gaseous cooling medium of relatively high velocity and low temperature may be mixed in said flared portion to thereby enable the tempered mixture to be exhausted from said exit and into said storage compartment.
2. The invention of claim 1, wherein said flared inlet portion and the discharge end of said heat exchanger exit nozzle means are enclosed by hollow duct means, said duct means having both front and rear ends opened and exposed to said storage compartment.
3. The invention'of claim 1, wherein a longitudinally extending means that is adapted to transport the tempered mixture is connected to said exit nozzle discharge end, said extending means having a plurality of spaced openings over a portion of its surface from which said tempered mixture may be exhausted and distributed throughout said storage compartment.
4. The invention of claim 1, wherein said flared conduit means inlet portion is of a larger cross section than that of the discharge end of said heat exchange means exit nozzle so as to induce an aspiration efi'ect in the area of the flared portion.
5. The invention of claim 1, wherein said heat exchange means exit nozzle tapers towards its discharge
Claims (5)
1. A transportable refrigeration unit for preserving perishables including a compartment for storing said perishables, heat exchange means suitably positioned in relation to said compartment and adapted to pass a gaseous cooling medium therethrough at a relatively high velocity and low temperature, an exit nozzle means in communication with said heat exchange means having an associated discharge end for discharging said cooling medium therefrom, and a conduit means, said conduit means comprising an exit end portion communicating with said storage compartment and a flared inlet end portion converging with and connected to the exit end portion, said flared inlet end being of sufficient dimension and aligned longitudinally apart from said exit nozzle discharge end in the direction of said coolant flow and in a predetermined spaced relationship therewith, whereby gas of relatively low velocity and high temperature and ambient to the perishables and said gaseous cooling medium of relatively high velocity and low temperature may be mixed in said flared portion to thereby enable the tempered mixture to be exhausted from said exit and into said storage compartment.
2. The invention of claim 1, wherein said flared inlet portion and the discharge end of said heat exchanger exit nozzle means are enclosed by hollow duct means, said duct means having both front and rear ends opened and exposed to said storage compartment.
3. The invention of claim 1, wherein a longitudinally extending means that is adapted to transport the tempered mixture is connected to said exit nozzle discharge end, said extending means having a plurality of spaced openings over a portion of its surface from which said tempered mixture may be exhausted and distributed throughout said storage compartment.
4. The invention of claim 1, wherein said flared conduit means inlet portion is of a larger cross section than that of the discharge end of said heat exchange means exit nozzle so as to induce an aspiration effect in the area of the flared portion.
5. The invention of claim 1, wherein said heat exchange means exit nozzle tapers towards its discharge end.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US30101072A | 1972-10-26 | 1972-10-26 |
Publications (1)
Publication Number | Publication Date |
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US3792595A true US3792595A (en) | 1974-02-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US00301010A Expired - Lifetime US3792595A (en) | 1972-10-26 | 1972-10-26 | Transportable refrigeration apparatus for preserving perishables |
Country Status (13)
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US (1) | US3792595A (en) |
JP (1) | JPS5037544Y2 (en) |
BE (1) | BE806431A (en) |
BR (1) | BR7308287D0 (en) |
CA (1) | CA998254A (en) |
DE (1) | DE2353098A1 (en) |
ES (1) | ES419847A1 (en) |
FR (1) | FR2204519B1 (en) |
GB (1) | GB1445882A (en) |
IL (1) | IL43392A (en) |
IN (1) | IN141159B (en) |
IT (1) | IT997416B (en) |
ZA (1) | ZA737713B (en) |
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CN104443810A (en) * | 2014-11-14 | 2015-03-25 | 天津市傲绿农副产品集团股份有限公司 | Refrigerating transport box with cold recovering function |
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EP3695998A1 (en) * | 2019-02-15 | 2020-08-19 | Schmitz Cargobull AG | Box body with venting device |
EP3695999A1 (en) * | 2019-02-15 | 2020-08-19 | Schmitz Cargobull AG | Luggage structure for a commercial vehicle |
US10830485B2 (en) * | 2014-04-07 | 2020-11-10 | Prihoda S.R.O. | Air-conditioning diffuser for air distribution |
US11252973B2 (en) * | 2017-07-18 | 2022-02-22 | Tianjin Lvxin Cryogenic Science and technology Co., Ltd. | Technology and device for fruit and vegetable phase-temperature precooling compatible multi-coupling anti-aging treatment |
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EP0005353B1 (en) * | 1978-04-28 | 1981-06-17 | E M Wilcox Limited | Method and apparatus for transporting aquatic food materials under refrigerated conditions |
GB2128161A (en) * | 1982-10-13 | 1984-04-26 | Reginald David Wilson | Conditioning and packing plant |
DK362285D0 (en) * | 1985-08-09 | 1985-08-09 | Kaj Plagborg | PROCEDURE FOR FREEZING OF GOODS PROVIDED TO A REGIONAL FREEZER STOCK AND PLANT FOR USE BY THE PROCEDURE |
JP6075784B2 (en) * | 2012-12-28 | 2017-02-08 | 株式会社神戸製鋼所 | Busbar, busbar module, and busbar manufacturing method |
FR3013277B1 (en) * | 2013-11-18 | 2017-06-02 | Lamberet | ISOTHERMAL BOX FOR REFRIGERATING VEHICLE |
CN103662417A (en) * | 2013-11-30 | 2014-03-26 | 南通四方冷链装备股份有限公司 | Cold chain heat-insulation box with heat exchanging plates |
CN108069143B (en) * | 2017-12-18 | 2020-02-18 | 中原工学院 | Insulation can for cold chain commodity circulation |
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US3879955A (en) * | 1974-04-04 | 1975-04-29 | Dostal Enterprises Inc | Ductless air distribution system |
FR2293677A1 (en) * | 1974-12-02 | 1976-07-02 | Casaire Ltd | METHOD AND APPARATUS FOR AIR CONDITIONING |
US4048809A (en) * | 1974-12-02 | 1977-09-20 | Casaire Limited | Air conditioning |
US3992892A (en) * | 1975-08-13 | 1976-11-23 | Sain Bernard S | Air filtration chute |
US4050365A (en) * | 1976-07-15 | 1977-09-27 | Ever-Wear Products, Inc. | Air distribution assembly |
US4356707A (en) * | 1980-04-28 | 1982-11-02 | Liquid Carbonic Corporation | Cryogenic cabinet freezer |
US4344291A (en) * | 1980-04-28 | 1982-08-17 | Liquid Carbonic Corporation | Cryogenic cabinet freezer |
US4532774A (en) * | 1983-11-21 | 1985-08-06 | Demco, Inc. | Portable field site pre-cooling apparatus |
EP0194036A1 (en) * | 1985-02-05 | 1986-09-10 | Heat And Control Pty. Ltd. | Air head module |
US4750416A (en) * | 1985-02-05 | 1988-06-14 | Heat And Control Pty. Ltd. | Air head module |
US4845958A (en) * | 1985-12-28 | 1989-07-11 | Mitsui & Co., Ltd. | Method of and apparatus for preserving perishable goods |
US4726196A (en) * | 1986-12-04 | 1988-02-23 | American Trailers, Incorporated | Temperature control apparatus including air return bulkhead for mounting in a transportable body |
US4861095A (en) * | 1987-12-08 | 1989-08-29 | American Trailers, Inc. | Floor for conditioned air vehicles |
EP0340743A3 (en) * | 1988-05-05 | 1990-10-31 | Hans De Zeeuw | Transport load container |
EP0340743A2 (en) * | 1988-05-05 | 1989-11-08 | de Zeeuw, Hans | Transport load container |
US4879877A (en) * | 1988-07-21 | 1989-11-14 | Hicke Gerald E | Air conditioning method and apparatus for refrigerated vehicles |
US4936104A (en) * | 1988-07-21 | 1990-06-26 | Hicke Gerald E | Air conditioning method and apparatus for refrigerated vehicles |
WO1991007630A1 (en) * | 1988-07-21 | 1991-05-30 | Hicke Gerald E | Air conditioning method and apparatus for refrigerated vehicles |
US4979431A (en) * | 1988-11-08 | 1990-12-25 | Mitsui O. S. K. Lines, Ltd. | Gaseous flow construction of box member for refrigerated transportion and box member for refrigerated transportation using the same |
US4989417A (en) * | 1989-11-08 | 1991-02-05 | Stanley Markiewicz | Cold storage warehouse |
US5271233A (en) * | 1991-06-28 | 1993-12-21 | African Oxygen Limited | Method and means for providing refrigeration |
US5403063A (en) * | 1993-05-21 | 1995-04-04 | Sjostedt; Robbie J. | Modular integral floor construction for vehicle body |
FR2708090A1 (en) * | 1993-07-01 | 1995-01-27 | Profroid Ind Sa | Fixed refrigeration chamber with external evaporator |
US5715685A (en) * | 1994-12-12 | 1998-02-10 | Colpo Co., Ltd. | Method and apparatus for transporting/storing chilled goods |
US6116044A (en) * | 1999-04-27 | 2000-09-12 | Aero Industries, Inc. | Air chute adapter for refrigeration vehicles |
EP1122191A2 (en) * | 2000-02-03 | 2001-08-08 | Thermo King Corporation | Duct system for temperature-controlled cargo containers |
EP1122191A3 (en) * | 2000-02-03 | 2002-10-16 | Thermo King Corporation | Duct system for temperature-controlled cargo containers |
US6508076B1 (en) | 2000-02-03 | 2003-01-21 | Thermo King Corporation | Duct system for temperature-controlled cargo containers |
DE10066504B3 (en) * | 2000-06-15 | 2015-04-16 | Kögel Trailer GmbH & Co. KG | Air ducting device for cooling or hot air in rooms to be air-conditioned for accommodating goods to be conditioned and room to be air-conditioned |
US6543827B2 (en) * | 2001-06-06 | 2003-04-08 | Webasto Thermosystems, Inc. | Climate controlled beverage truck |
US6581544B1 (en) | 2001-10-24 | 2003-06-24 | Smithway, Inc. | Air conditioned trailer for transporting living fowl |
US6865902B2 (en) * | 2003-04-09 | 2005-03-15 | Carrier Commercial Refrigeration Inc | Grate for refrigerated cooler |
US20040200231A1 (en) * | 2003-04-09 | 2004-10-14 | Seiss Richard A | Grate for refrigerated cooler |
US20050053442A1 (en) * | 2003-08-13 | 2005-03-10 | Mark Rash | Transportable storage facility |
US7704032B2 (en) | 2003-08-13 | 2010-04-27 | Mgl Storage Partners, Inc. | Transportable storage facility |
US20070169503A1 (en) * | 2004-07-30 | 2007-07-26 | Mitsubishi Heavy Industries, Ltd | Cooling warehouse and air refrigerant type cooling system |
US20100313596A1 (en) * | 2004-07-30 | 2010-12-16 | Mitsubishi Heavy Industries, Ltd. | Cooling warehouse and air refrigerant type cooling system |
US20110005252A1 (en) * | 2004-11-29 | 2011-01-13 | Mitsubishi Heavy Industries, Ltd. | Air refrigerant type freezing and heating apparatus |
US9016083B2 (en) | 2004-11-29 | 2015-04-28 | Mitsubishi Heavy Industries, Ltd. | Air refrigerant type freezing and heating apparatus |
US20060137373A1 (en) * | 2004-12-27 | 2006-06-29 | Dwight Williams | Self-contained mobile walk-in cooler |
US7406834B2 (en) | 2004-12-27 | 2008-08-05 | Dwight Williams | Self-contained mobile walk-in cooler |
US20090320514A1 (en) * | 2008-06-25 | 2009-12-31 | Toby Clark | Universal fluid flow transitional connector for use with refrigeration units of refrigerated trailers |
US8794187B2 (en) | 2011-09-26 | 2014-08-05 | Smithway, Inc. | Trailer for transporting living fowl |
US10434841B2 (en) | 2013-01-28 | 2019-10-08 | Thermo King Corporation | System and method of distributing airflow in a transport refrigeration unit |
USD736062S1 (en) | 2013-01-28 | 2015-08-11 | Thermo King Corporation | Air chute bracket |
USD733285S1 (en) | 2013-01-28 | 2015-06-30 | Thermo King Corporation | Air chute |
US10207563B2 (en) | 2013-05-13 | 2019-02-19 | Signode Industrial Group Llc | Refrigeration trailer air distribution chute |
US9636967B2 (en) | 2013-05-13 | 2017-05-02 | Signode Industrial Group Llc | Refrigeration trailer air distribution chute |
US9937767B2 (en) | 2013-05-13 | 2018-04-10 | Signode Industrial Group Llc | Refrigeration trailer air distribution chute |
US10830485B2 (en) * | 2014-04-07 | 2020-11-10 | Prihoda S.R.O. | Air-conditioning diffuser for air distribution |
CN104443810B (en) * | 2014-11-14 | 2017-04-26 | 天津市傲绿农副产品集团股份有限公司 | Refrigerating transport box with cold recovering function |
CN104443810A (en) * | 2014-11-14 | 2015-03-25 | 天津市傲绿农副产品集团股份有限公司 | Refrigerating transport box with cold recovering function |
US20160201938A1 (en) * | 2015-01-14 | 2016-07-14 | Hyundai Translead | Recessed air chute design |
US11252973B2 (en) * | 2017-07-18 | 2022-02-22 | Tianjin Lvxin Cryogenic Science and technology Co., Ltd. | Technology and device for fruit and vegetable phase-temperature precooling compatible multi-coupling anti-aging treatment |
EP3695997A1 (en) * | 2019-02-15 | 2020-08-19 | Schmitz Cargobull AG | Box body with an air duct for guiding cooling air |
EP3695998A1 (en) * | 2019-02-15 | 2020-08-19 | Schmitz Cargobull AG | Box body with venting device |
EP3695999A1 (en) * | 2019-02-15 | 2020-08-19 | Schmitz Cargobull AG | Luggage structure for a commercial vehicle |
Also Published As
Publication number | Publication date |
---|---|
IN141159B (en) | 1977-01-29 |
BR7308287D0 (en) | 1974-09-10 |
FR2204519B1 (en) | 1978-02-10 |
IL43392A (en) | 1977-02-28 |
FR2204519A1 (en) | 1974-05-24 |
IT997416B (en) | 1975-12-30 |
ZA737713B (en) | 1974-08-28 |
ES419847A1 (en) | 1976-04-01 |
DE2353098A1 (en) | 1974-05-09 |
IL43392A0 (en) | 1974-01-14 |
JPS4988344U (en) | 1974-07-31 |
GB1445882A (en) | 1976-08-11 |
AU6116873A (en) | 1975-04-10 |
JPS5037544Y2 (en) | 1975-10-31 |
CA998254A (en) | 1976-10-12 |
BE806431A (en) | 1974-04-24 |
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