CA1193233A - Heat producing unit for container and trailer - Google Patents
Heat producing unit for container and trailerInfo
- Publication number
- CA1193233A CA1193233A CA000411571A CA411571A CA1193233A CA 1193233 A CA1193233 A CA 1193233A CA 000411571 A CA000411571 A CA 000411571A CA 411571 A CA411571 A CA 411571A CA 1193233 A CA1193233 A CA 1193233A
- Authority
- CA
- Canada
- Prior art keywords
- air
- heating unit
- engine
- heated
- conduit means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/745—Large containers having means for heating, cooling, aerating or other conditioning of contents blowing or injecting heating, cooling or other conditioning fluid inside the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00014—Combined heating, ventilating, or cooling devices for load cargos on load transporting vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/025—Air heaters with forced circulation using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
- F24D2200/26—Internal combustion engine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A heating unit is mounted to the enclosed body of a transport container, trailer vehicle, or the like for maintaining a desired temperature therein under cold atmospheric conditions; the unit comprises a frame struc-ture supporting an internal combustion engine and a heat exchange unit which collects the water cooling the engine and the exhaust gases of the engine to heat the air drawn from the body and returned thereto by a fan.
A heating unit is mounted to the enclosed body of a transport container, trailer vehicle, or the like for maintaining a desired temperature therein under cold atmospheric conditions; the unit comprises a frame struc-ture supporting an internal combustion engine and a heat exchange unit which collects the water cooling the engine and the exhaust gases of the engine to heat the air drawn from the body and returned thereto by a fan.
Description
3~
FIELD OF TE-~E INVENTION
The present invention rela-tes to a unit for heatiny air inside a transport container, a trailer vehicle, or the like for maintaining a desired -temperature -therein under cold atmospheric conditions.
B~CKGROUND OF THE INVENTION
Present heating units where an internal combustion engine is used for heating the air inside the enclosed body of such transport vehicles are unsafe.
Indeed, these systems use the cold air of the enclosed body for cooling the engine, which air, once hea-ted, is returned to the enclosed body to prevent its contents to freeze. It has been observed, however; that~ in some cases, this heated air carries fume, especially when the engine may have fuel leaks. This creates a dangerous situation should the fume contained in the transport vehicle body reach a given level. As there usually is no separate air-tight separation between the engine compartment and the enclosed body, explosions have been found to occur as a result of engine ignition.
OBJ CT AND STATEMF.NT OF THE INVENTION
It is an object of the present invention to provide a heating apparatus for industrial transport containers such as trailers, individual containers, truck boxes or the like which is reliable and meets the required safety regulations~ This object is achieved by providing a unit where the maximum heat dissipated by the internal combustion engine used for heating the body is recuperated to heat the air inside the containers. MorP than 65~ of the combustible energy of -the engine is effectively transformed into heat from which more than half is usually lost in the exhaust system and the other half in the cooling sys-tem.
The present inven-tion is concerned with providing a water-cooled internal combustion engine which operates to rotate a fan which, in turn, circulates ~,P"
~3~33 air through a heat exchange unit collecting hea-t from -the water used Eor cooliny the engine and from -the exhaus-t gases emit-ted by the engine.
The present inven-tion is therefore concerned wi-th a heating unit for heating -the air inside a -transpor-t container, a -trailer vehicle or the li,ke for maintaining a desired tempera-ture inside the enclosed body of such transport container, trailer vehicle or the like under cold atmospheric conditions. The unit comprises: a frame structure which is mounted to the enclosed body; an air inlet which receives from the enclosed body, air to be heated; an internal combus-tion water-cooled engine mounted to the structure; a heat exchange unit mounted to the structure and including first conduit means for circulating water heated by the water-cooled engine and second conduit means for circulating hea-ted gases from the exhaust system of the engine; fan means operatively connected to the engine for drawing air to be heated from the air inlet and for passing the air through the heat exchange unit whereby the air is heated by contacting the first and second conduit means; and an air outlet for discharging the heated air in the enclosed body.
In one preferred form of the invention, the, hea-ting unit is so constructed that the air to be heated first contacts the first conduit means in which the water has a temperature lower than that of the heated exhaust gases which circulate in the second conduit means.
In another preferred embodiment of the invention, the first conduit means includes two separate se-ts of water circulating passageways extending adjacen-t one another in a horizontal plane.
Yet, in another embodiment of the invention, the passageways of each set are disposed in two parallel planes, the passageways containing warmer %~
water bei.ng loca-ted in the upper plane.
The scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that this descrip-tion, while indicatiny preferred embodiments of -the invention, is given by way of illus-tra-tion only, since various changes and modifications within the spiri-t and scope of -the invention will become apparent to those skilled in the art.
IN THE DRAWINGS
Figure 1 is a perspective view showing the front panel of a heating unit made in accordance with the present invention, and i-ts location on the body of a transport container;
Figure 2 is an elevation cross-sectional view showing the heating unit inside the container body;
Figure 3 is a front elevation view of the heating unit mounted to the front wall of the container;
Figure ~ is a rear elevation view of the unit with i-ts rear panel removed;
Figure 5 is a bottom view of the heat exchanger unit of the present i.nvention;
Figure 6 is a top view thereof; and Figure 7 is a side elevation view as seen from the left of Figure 6.
Referring to Figures 1 and 2, there is shown, represented in dotted lines, an enclosed body 10 which may be that of a transport container, a truck box, a trailer vehicle or any other container which is used to transport contents. The front wall 12 of the enclosed body displays the front panel 14 of a heating unit 16 made in accordance with the present invention the remaining portion of the unit is moun-ted inside the body of the container. The front panel 1~ includes hinged doors 18, 20, 22, allowing access to the ~3~
components of the heating unit. The panel a]so displays/ in its lower sec-tion 24, a series of rneasuri.ng and controlling instrumen-ts for the operation of the heating unit.
Referring additionnally to Figures 3 and ~
the heating u"it 16 comprises a rectangular box--like structure whi.ch includes, in addition to the front panel 14, two side panels 25, 26 and a rear panel 27. Two supporting plates 28, 30 are mounted to this box like structure at vertically spaced intervals. This structure is air-tight preventing air inside to mix with the air inside the container. Plate 30 supports a water-cooled internal comhustion engine 32 which dri.ves, by means of a pulley arrangement 33, a fan 34 located rear-wardly thereof. The fan is in air communication through a circular opening 34a provided in the rear panel 27 with air between the panel and a further rear wall 35 spaced rearwardly of panel 270 Fan 34 draws air in this space through an opening 36 disposea at the bottom between rear panel 27 and wall 35. The air drawn is forced through the fan and into a conduit 40 with a funnel-shaped extension 42 to a heat exchange unit, generally designated 44, resting on the upper plate 28. An opening (not shown) is provi.ded in plate 28 to allow air to be passed to the heat exchange unit 44.
A fuel tank 46 is suppo.rted on the base of the heating unit and provides fuel to the internal combustion engine 32 by appropriate fuel line 48.
In the upper part of the heating unit, the air, a~ter having gone through the heat exchange unit 44, is deflected by an inclined plate 50 and.directed to an air outlet 54 to which may be connected a discharge . duct 56 extending towards the rear of the container, which duct is provided with a series of openings 58 to return the warmed air at ~arious location of the container, thus protecting the contents of the container from being frozen~
~3 A series of condui-ts extend between -the engine 32 and the heat exchange uni-t ~. A first conduit 60 carries -the water which has co]lected heat from the engine, to the hea-t exchange unit while a second condui-t 62 returns to the engine the water which ha~ been cooled as a result of circulation through the heat exchanger. A third conduit 64 brinys the hot combustion gases -to the heat exchange unit while a fourth conduit 66 serves to expel outside the container the exhaust gases after haviny circulated through the heat exchange unit.
Figures 5, 6 and 7 show in greater detail the construction of the hea-t exchange unit 44 forming part of -the heating uni-t of the present invention. The unit comprises a rectangular box-like structure 70 having -two condui-t compartments: in the lower compartment, two separate sets of passageways are used for passing warm water from conduit 60 to conduit 62 while, in the upper compartment, a passageway is defined to circulate the exhaust gases from an inlet manifold 32, connected to the inlet conduit 64, to an outlet manifold 74, connected to the outlet condui-t 66. In the upper compartment, the passageway consists of a continuous pipe 76 while in the lower compartment (see Figure 5), the water heated by the engine is divided into two paths 78 and 80, each circulating water to a half-portion of the compartment. In each of these half-portions, the warmer water is first circulated through an upper horizontal plane and then passed to the lower horizontal plane through the two inclined end sections ~8a and 80a. Thus, the air to be heated first contacts the -two water circulating passageways of the lower plane and, then, the -two passageways of the upper plane in which the water is at a slightly higher temperature than tha-t in the lower plane. Subsequently, the air passes through the area defined by pipe 76 which carries 3~
-the exhaust ~ases which clissipa-te heat a-t a higher ternpera-ture -than that of the wa-ter. ~-lence, the air discharged a-t the upper por-tion of the heat exchange uni-t, is heated at hiyh temperature before it is returned to -the enclosed chamber oE the container.
In a preferred form of the inven-tion, a series of parallel vertical plates 82 extend in the box~like structure 70 to increase heat exchange between the heat dissipating elements and the passing air.
The measuring and control panel 24 on the front panel 14 includes various meters and gauges for the proper operation of the present invention. It includes various conventional elements such as a fuel meter, a water temperature meter, an oil pressure meter, various thermometers and an hour meter for indicating the length of time the engine has operated. It also includes various electrical elements, such as switches and timers, for actuating the internal combustion engine in response to temperature condition inside the container. All these elements are available on the market and a detailed description of their construction and opera-tion is not deemed essential for an understanding of the present invention.
FIELD OF TE-~E INVENTION
The present invention rela-tes to a unit for heatiny air inside a transport container, a trailer vehicle, or the like for maintaining a desired -temperature -therein under cold atmospheric conditions.
B~CKGROUND OF THE INVENTION
Present heating units where an internal combustion engine is used for heating the air inside the enclosed body of such transport vehicles are unsafe.
Indeed, these systems use the cold air of the enclosed body for cooling the engine, which air, once hea-ted, is returned to the enclosed body to prevent its contents to freeze. It has been observed, however; that~ in some cases, this heated air carries fume, especially when the engine may have fuel leaks. This creates a dangerous situation should the fume contained in the transport vehicle body reach a given level. As there usually is no separate air-tight separation between the engine compartment and the enclosed body, explosions have been found to occur as a result of engine ignition.
OBJ CT AND STATEMF.NT OF THE INVENTION
It is an object of the present invention to provide a heating apparatus for industrial transport containers such as trailers, individual containers, truck boxes or the like which is reliable and meets the required safety regulations~ This object is achieved by providing a unit where the maximum heat dissipated by the internal combustion engine used for heating the body is recuperated to heat the air inside the containers. MorP than 65~ of the combustible energy of -the engine is effectively transformed into heat from which more than half is usually lost in the exhaust system and the other half in the cooling sys-tem.
The present inven-tion is concerned with providing a water-cooled internal combustion engine which operates to rotate a fan which, in turn, circulates ~,P"
~3~33 air through a heat exchange unit collecting hea-t from -the water used Eor cooliny the engine and from -the exhaus-t gases emit-ted by the engine.
The present inven-tion is therefore concerned wi-th a heating unit for heating -the air inside a -transpor-t container, a -trailer vehicle or the li,ke for maintaining a desired tempera-ture inside the enclosed body of such transport container, trailer vehicle or the like under cold atmospheric conditions. The unit comprises: a frame structure which is mounted to the enclosed body; an air inlet which receives from the enclosed body, air to be heated; an internal combus-tion water-cooled engine mounted to the structure; a heat exchange unit mounted to the structure and including first conduit means for circulating water heated by the water-cooled engine and second conduit means for circulating hea-ted gases from the exhaust system of the engine; fan means operatively connected to the engine for drawing air to be heated from the air inlet and for passing the air through the heat exchange unit whereby the air is heated by contacting the first and second conduit means; and an air outlet for discharging the heated air in the enclosed body.
In one preferred form of the invention, the, hea-ting unit is so constructed that the air to be heated first contacts the first conduit means in which the water has a temperature lower than that of the heated exhaust gases which circulate in the second conduit means.
In another preferred embodiment of the invention, the first conduit means includes two separate se-ts of water circulating passageways extending adjacen-t one another in a horizontal plane.
Yet, in another embodiment of the invention, the passageways of each set are disposed in two parallel planes, the passageways containing warmer %~
water bei.ng loca-ted in the upper plane.
The scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that this descrip-tion, while indicatiny preferred embodiments of -the invention, is given by way of illus-tra-tion only, since various changes and modifications within the spiri-t and scope of -the invention will become apparent to those skilled in the art.
IN THE DRAWINGS
Figure 1 is a perspective view showing the front panel of a heating unit made in accordance with the present invention, and i-ts location on the body of a transport container;
Figure 2 is an elevation cross-sectional view showing the heating unit inside the container body;
Figure 3 is a front elevation view of the heating unit mounted to the front wall of the container;
Figure ~ is a rear elevation view of the unit with i-ts rear panel removed;
Figure 5 is a bottom view of the heat exchanger unit of the present i.nvention;
Figure 6 is a top view thereof; and Figure 7 is a side elevation view as seen from the left of Figure 6.
Referring to Figures 1 and 2, there is shown, represented in dotted lines, an enclosed body 10 which may be that of a transport container, a truck box, a trailer vehicle or any other container which is used to transport contents. The front wall 12 of the enclosed body displays the front panel 14 of a heating unit 16 made in accordance with the present invention the remaining portion of the unit is moun-ted inside the body of the container. The front panel 1~ includes hinged doors 18, 20, 22, allowing access to the ~3~
components of the heating unit. The panel a]so displays/ in its lower sec-tion 24, a series of rneasuri.ng and controlling instrumen-ts for the operation of the heating unit.
Referring additionnally to Figures 3 and ~
the heating u"it 16 comprises a rectangular box--like structure whi.ch includes, in addition to the front panel 14, two side panels 25, 26 and a rear panel 27. Two supporting plates 28, 30 are mounted to this box like structure at vertically spaced intervals. This structure is air-tight preventing air inside to mix with the air inside the container. Plate 30 supports a water-cooled internal comhustion engine 32 which dri.ves, by means of a pulley arrangement 33, a fan 34 located rear-wardly thereof. The fan is in air communication through a circular opening 34a provided in the rear panel 27 with air between the panel and a further rear wall 35 spaced rearwardly of panel 270 Fan 34 draws air in this space through an opening 36 disposea at the bottom between rear panel 27 and wall 35. The air drawn is forced through the fan and into a conduit 40 with a funnel-shaped extension 42 to a heat exchange unit, generally designated 44, resting on the upper plate 28. An opening (not shown) is provi.ded in plate 28 to allow air to be passed to the heat exchange unit 44.
A fuel tank 46 is suppo.rted on the base of the heating unit and provides fuel to the internal combustion engine 32 by appropriate fuel line 48.
In the upper part of the heating unit, the air, a~ter having gone through the heat exchange unit 44, is deflected by an inclined plate 50 and.directed to an air outlet 54 to which may be connected a discharge . duct 56 extending towards the rear of the container, which duct is provided with a series of openings 58 to return the warmed air at ~arious location of the container, thus protecting the contents of the container from being frozen~
~3 A series of condui-ts extend between -the engine 32 and the heat exchange uni-t ~. A first conduit 60 carries -the water which has co]lected heat from the engine, to the hea-t exchange unit while a second condui-t 62 returns to the engine the water which ha~ been cooled as a result of circulation through the heat exchanger. A third conduit 64 brinys the hot combustion gases -to the heat exchange unit while a fourth conduit 66 serves to expel outside the container the exhaust gases after haviny circulated through the heat exchange unit.
Figures 5, 6 and 7 show in greater detail the construction of the hea-t exchange unit 44 forming part of -the heating uni-t of the present invention. The unit comprises a rectangular box-like structure 70 having -two condui-t compartments: in the lower compartment, two separate sets of passageways are used for passing warm water from conduit 60 to conduit 62 while, in the upper compartment, a passageway is defined to circulate the exhaust gases from an inlet manifold 32, connected to the inlet conduit 64, to an outlet manifold 74, connected to the outlet condui-t 66. In the upper compartment, the passageway consists of a continuous pipe 76 while in the lower compartment (see Figure 5), the water heated by the engine is divided into two paths 78 and 80, each circulating water to a half-portion of the compartment. In each of these half-portions, the warmer water is first circulated through an upper horizontal plane and then passed to the lower horizontal plane through the two inclined end sections ~8a and 80a. Thus, the air to be heated first contacts the -two water circulating passageways of the lower plane and, then, the -two passageways of the upper plane in which the water is at a slightly higher temperature than tha-t in the lower plane. Subsequently, the air passes through the area defined by pipe 76 which carries 3~
-the exhaust ~ases which clissipa-te heat a-t a higher ternpera-ture -than that of the wa-ter. ~-lence, the air discharged a-t the upper por-tion of the heat exchange uni-t, is heated at hiyh temperature before it is returned to -the enclosed chamber oE the container.
In a preferred form of the inven-tion, a series of parallel vertical plates 82 extend in the box~like structure 70 to increase heat exchange between the heat dissipating elements and the passing air.
The measuring and control panel 24 on the front panel 14 includes various meters and gauges for the proper operation of the present invention. It includes various conventional elements such as a fuel meter, a water temperature meter, an oil pressure meter, various thermometers and an hour meter for indicating the length of time the engine has operated. It also includes various electrical elements, such as switches and timers, for actuating the internal combustion engine in response to temperature condition inside the container. All these elements are available on the market and a detailed description of their construction and opera-tion is not deemed essential for an understanding of the present invention.
Claims (12)
1. A heating unit for heating air inside a transport container, trailer vehicle or the like for maintaining a desired temperature inside the enclosed body of said transport container, trailer vehicle or the like, under cold atmospheric conditions comprising:
a) a frame structure mounted to said enclosed body;
b) an air inlet to receive from said enclosed body air to be heated;
c) an internal combustion water-cooled engine mounted to said structure, said engine having an exhaust system;
d) a heat exchange unit mounted to said structure, said unit including;
i) first conduit means for circulating water heated by said water-cooled engine;
ii) second conduit means for circulating heated gases from said exhaust system;
e) fan means operatively connected to said engine for drawing air to be heated from said air inlet and for passing said air through said heat exchange unit where-by said air is heated through contact with said first and second conduit means; and f) an air outlet for discharging said heated air back to said enclosed body.
a) a frame structure mounted to said enclosed body;
b) an air inlet to receive from said enclosed body air to be heated;
c) an internal combustion water-cooled engine mounted to said structure, said engine having an exhaust system;
d) a heat exchange unit mounted to said structure, said unit including;
i) first conduit means for circulating water heated by said water-cooled engine;
ii) second conduit means for circulating heated gases from said exhaust system;
e) fan means operatively connected to said engine for drawing air to be heated from said air inlet and for passing said air through said heat exchange unit where-by said air is heated through contact with said first and second conduit means; and f) an air outlet for discharging said heated air back to said enclosed body.
2. A heating unit as defined in Claim 1 further comprising a fuel reservoir mounted to said structure in fluid communication with said engine.
3. A heating unit as defined in Claim 1 wherein said frame structure is mounted within said enclosed body and includes a front panel closing a opening provided in a wall of said body.
4. A heating unit as defined in Claim 3, wherein said front panel of said structure displays measuring and controlling means for the operation of said engine to maintain said desired temperature in said body.
5. A heating unit as defined in Claim 3, wherein said exhaust system includes an exhaust pipe extending through said front panel.
6. A heating unit as defined in Claim 1, wherein said first conduit means is first contacted by said air to be heated.
7. A heating unit as defined in Claim 6, wherein said first conduit means is located beneath said second conduit means.
8. A heating unit as defined in Claim 1, wherein said first conduit means includes two separate sets of water circulating passageways extending adjacent one another in a horizontal plane.
9. A heating unit as defined in Claim 8, wherein the passageways of each set are disposed in two parallel planes; the passageways containing warmer water being located in the upper plane.
10. A heating unit as defined in Claim 1, comprising a plurality of parallel fins mounted perpendicular to the conduit means.
11. A heating unit as defined in Claim 1, comprising duct means in said enclosed body for distributing the heated air inside said body.
12. A heating unit as defined in Claim 1, wherein said air inlet is situated in the lower part of said structure and said air outlet in the upper part thereof; said heat exchange unit being located above said engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000411571A CA1193233A (en) | 1982-09-16 | 1982-09-16 | Heat producing unit for container and trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000411571A CA1193233A (en) | 1982-09-16 | 1982-09-16 | Heat producing unit for container and trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1193233A true CA1193233A (en) | 1985-09-10 |
Family
ID=4123598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000411571A Expired CA1193233A (en) | 1982-09-16 | 1982-09-16 | Heat producing unit for container and trailer |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1193233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0398232A1 (en) * | 1989-05-16 | 1990-11-22 | GRAAFF Gesellschaft mit beschränkter Haftung | Container for temperature-controlled and atmosphere-controlled transport of perishable goods |
| WO2015038218A1 (en) * | 2013-09-10 | 2015-03-19 | Carrier Corporation | Refrigerated container assembly |
-
1982
- 1982-09-16 CA CA000411571A patent/CA1193233A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0398232A1 (en) * | 1989-05-16 | 1990-11-22 | GRAAFF Gesellschaft mit beschränkter Haftung | Container for temperature-controlled and atmosphere-controlled transport of perishable goods |
| WO2015038218A1 (en) * | 2013-09-10 | 2015-03-19 | Carrier Corporation | Refrigerated container assembly |
| CN105517920A (en) * | 2013-09-10 | 2016-04-20 | 开利公司 | Refrigerated container assembly |
| CN105517920B (en) * | 2013-09-10 | 2019-03-08 | 开利公司 | Frozen products insulated container assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |