EP4034462A1 - Galley module for an aircraft and method for the open-loop and/or closed-loop control of the temperature in a food and/or drinks compartment of a galley module - Google Patents
Galley module for an aircraft and method for the open-loop and/or closed-loop control of the temperature in a food and/or drinks compartment of a galley moduleInfo
- Publication number
- EP4034462A1 EP4034462A1 EP19778924.1A EP19778924A EP4034462A1 EP 4034462 A1 EP4034462 A1 EP 4034462A1 EP 19778924 A EP19778924 A EP 19778924A EP 4034462 A1 EP4034462 A1 EP 4034462A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compartment
- air
- cooling
- thermoelectric element
- galley module
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
- B64D13/08—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned the air being heated or cooled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/04—Galleys
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
- F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0629—Environmental Control Systems with subsystems for cooling food, catering or special loads
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/023—Mounting details thereof
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0251—Removal of heat by a gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Definitions
- Galley module for an aircraft and a method for controlling and / or regulating the temperature in a food and / or beverage compartment of a galley module
- the invention relates to a galley module for an aircraft, comprising at least one heating and / or cooling unit with at least one first compartment for drinks and / or food, the temperature of which can be conditioned by means of at least one thermoelectric element, the thermoelectric element having a first and a second heat exchanger comprises, wherein one heat exchanger forms a cold side and another heat exchanger forms a warm side of the thermoelectric element, the waste heat of the thermoelectric element being dissipated from a central cooling system of the aircraft via a primary coolant.
- the invention further relates to a method for controlling and / or regulating the temperature in a preferably closed compartment of a galley module according to the invention.
- thermoelectric device for a galley of an aircraft which comprises at least one cooling compartment which is cooled with a thermoelectric device which is designed as a so-called solid-air-air cooling device.
- thermoelectric devices are generally also referred to as Peltier elements.
- a thermoelectric element comprises semiconductor elements that generate a voltage when there is a temperature difference on both sides or a temperature difference on both sides when a voltage is applied.
- the semiconductors are usually embedded between heat exchangers, heat sinks provided with ribs or heat exchangers with a liquid heat transfer medium being considered as heat exchangers.
- the warm side of the Peltier element or the thermoelectric element is cooled with a fan placed on the heat sink, which has the effect that the cooling side or cold side of the thermoelectric element is cooled even further.
- the galley described in WO 2017/173130 A1 comprises a cooling device with several cooling compartments arranged one above the other, in each of which Peltier elements are arranged.
- a first thermoelectric device which is assigned to the uppermost cooling compartment, first supplies cooled air to the uppermost cooling compartment and then, in the form of a cold air cascade, to the cooling compartments arranged below.
- thermoelectric cooling system of a galley of an aircraft
- the cooling system comprises a closed cooling compartment, through which cold air circulation is maintained by means of a fan arranged on the cold side of the thermoelectric element.
- a heat exchanger is arranged on the warm side of the thermoelectric element, through which a liquid coolant preferably flows from a central cooling system of the aircraft.
- the invention is based on the object of providing a galley module of the type mentioned at the outset, in which the temperature prevailing in the compartments for food and / or drinks can be adjusted by the on-board personnel.
- the invention is also based on the object of providing a method for controlling and / or regulating the temperature in such a compartment of a galley module according to the invention.
- a galley module for an aircraft which comprises at least one heating and / or cooling unit with at least one first compartment for drinks and / or food, the temperature of which can be conditioned by means of at least one thermoelectric element, the thermoelectric element comprises a first and a second heat exchanger, one heat exchanger forming a cold side and another heat exchanger forming a warm side of the thermoelectric element, the waste heat of the thermoelectric element being dissipated via a primary coolant from a central cooling system of the aircraft, the galley module according to of the invention is characterized in that the primary coolant is supplied via a cooling air duct to which ambient air and / or conditioned cold air from the central cooling system of the aircraft can optionally be applied.
- the galley module according to the invention can have a multiplicity of warming compartments and / or cooling compartments, which can be designed as closed compartments, as open compartments or as drinks drawers.
- the first compartment can be tempered by means of a thermoelectric element, whereas a second and / or further compartments can only be cooled with conditioned cold air from the central cooling system of the aircraft.
- the first compartment can, for example, be optionally heatable or coolable, it being possible to switch from heating to cooling or vice versa, for example by switching the polarity of the thermoelectric element accordingly.
- thermoelectric elements Peltier elements
- thermoelectric elements connected in parallel and / or in series can be assigned to a single compartment; for the sake of simplicity, a thermoelectric element is referred to below.
- the first compartment is designed as a compartment with an air circulation that can be switched between at least two operating positions, with a closed warm air or cold air circulation within the compartment in a first operating position and an open one in a second operating position Purge air circulation is effected through the cooling air duct.
- the second operating position it can be provided that the ambient air supplied via the cooling air duct from the cabin and / or the conditioned cold air from the central cooling system of the aircraft is circulated through the compartment. This is useful, for example, if you want to switch from heating to cooling or from cooling to heating.
- the warm air still present can first be flushed out of the compartment with such a circuit, so that further cooling from the temperature level of the cabin air or from the temperature level. the conditioned cold air can take place.
- the compartment can be warmed up further based on the temperature level of the cabin air. This is particularly effective in terms of energy.
- the first compartment comprises a fan which is not mechanically coupled to the thermoelectric element. In this way, it is relatively easy to maintain an air circulation within the compartment that is decoupled from the air circulated through the cooling air duct.
- thermoelectric element can have at least one further blower or one further fan.
- the operating positions described above can be implemented in an advantageous variant of the galley module according to the invention in that the first heat exchanger is arranged in a cooling air distributor of the cooling air duct, that the cooling air distributor comprises at least one actuatable supply air flap and one actuatable exhaust air flap and that the In the open position, the supply air flap and the exhaust air flap allow the primary coolant to circulate through the compartment.
- the supply air flap and the exhaust air flap are preferably closed, so that the air circuits of the compartment and the central cooling system of the aircraft are separated.
- ambient air from the cabin and / or conditioned cold air from the central cooling system of the aircraft can be applied to one side of the thermoelectric element or, preferably, the first heat exchanger.
- the supply air flap and the exhaust air flap are preferably open.
- the air circuits of the compartment are in this operating position and the central cooling system of the aircraft are connected to one another, so that ambient air from the cabin and / or conditioned cold air from the central cooling system of the aircraft can be circulated through the compartment.
- At least one fan is provided in the cooling channel and / or in the cooling air distributor, with which air circulation through the cooling channel and / or the cooling air distributor can be maintained that is independent of the compartment.
- the galley module according to the invention can comprise at least one second compartment with at least one second thermoelectric element, to which ambient air and / or conditioned cold air from the central cooling system of the aircraft can optionally be supplied.
- the first heat exchanger is arranged in a supply air duct to the first compartment and that the primary coolant can be further cooled with the cold side of the thermoelectric element, if necessary, and that the second heat exchanger is in an exhaust air duct is arranged from the first cooling compartment.
- the first compartment has a constantly open cold air circulation that is not separated from thedeluftka channel of the primary coolant. If, for example, a cooling operation is to be implemented within the compartment, with such a configuration it is also possible to achieve temperatures that are well below normal cooling compartment temperatures. Usual specified temperatures for refrigerated compartments in galleys are between 4 ° C and 7 ° C.
- thermoelectric element is arranged between the supply air duct and the exhaust air duct. This advantageously brings about a gradual cooling of the air supplied to the first compartment, which is relatively easy to control or regulate.
- thermoelectric element is rotatably mounted in an air guide housing which is arranged between the cooling air duct of the central cooling system and a cooling air duct of the first compartment or a boundary wall of the first compartment.
- thermoelectric element is preferably rotatable during operation by means of at least one rotary drive within the air guide housing at least from a first operating position to a second operating position, with the primary coolant being decoupled from its own cold air circulation of the first cooling compartment in the first operating position and the primary coolant in the second operating position re coolant is circulated through the first compartment.
- the air circuits of the cooling compartment and the primary cooling system being separated in one operating mode and the air circuits of the compartment and the central cooling system communicating with one another in another operating mode.
- thermoelectric element With this configuration of the galley module according to the invention, further operating modes can be achieved in that the arrangement of the hot and the cold side of the thermoelectric element is interchanged by a 180 ° rotation within the air guide housing. This makes it relatively easy to switch from heating to cooling and vice versa. Further operating modes are provided by the switchover from switchover ambient air to conditioned cold air and by controlling one or more thermoelectric elements (different polarity).
- the invention also relates to a method for controlling and / or regulating the temperature in a compartment of a galley module with one or more of the features described above.
- the method is particularly characterized in that the compartment is either cooled or heated, with the warm side of the thermoelectric element being cooled with ambient air from the cabin or with conditioned cold air in cooling mode, depending on the cooling capacity and / or the cooling requirement of the compartment.
- thermoelectric element in a first, second or further operating mode as a function of the cooling capacity and / or the cooling requirement of the compartment concerned according to a control or regulation, the thermoelectric element in the first mode of operation removes heat from the primary coolant supplied to the compartment and releases heat from the primary coolant removed from the compartment, in the second mode of operation the primary coolant supplied to the compartment releases heat and removes heat from the primary coolant removed from the compartment.
- thermoelectric element in the context of the invention can include an arrangement of several thermoelectric elements with electrical parallel connection and / or electrical series connection.
- speed or rotational speed of the fan assigned to the compartment is adapted to the cooling capacity of the relevant cooling compartment and / or to the current refrigeration requirement.
- Figure 1 is a schematic representation of a first embodiment of a galley module according to the invention
- Figure 2 is a view of a compartment according to the first embodiment of the galley module according to the invention
- Figure 3 is a first view of a second embodiment of the galley module according to the invention.
- FIG. 4 shows a second view of the exemplary embodiment according to FIG. 3,
- FIG. 5 is a schematic representation of a third embodiment of the galley module according to the invention.
- FIG. 6 shows a fourth variant of the galley module according to the invention with a rotatable arrangement of the thermoelectric element in a first operating position and
- FIG. 7 shows the variant of the galley module according to FIG. 6 in the second operating position.
- FIG 1 shows a galley module 1 with a first 2 and two further compartments 3, 4.
- the first compartment 2 comprises a thermoelectric element 5 (Peltier element), which is in an insulating wall structure 6 of the first compartment 2 is arranged and which comprises an arrangement of semiconductors 7, which are arranged between a first heat exchanger 8 and a second heat exchanger 9.
- the first heat exchanger 8 forms the cold side of the thermoelectric element and the second heat exchanger 9 forms the warm side of the thermoelectric element 5.
- the term “thermoelectric element” in the context of the invention includes an arrangement of several thermoelectric elements.
- the heat exchangers 8, 9 of the thermoelectric element 5 are designed as air-to-air heat sinks.
- the thermoelectric element 5 comprises at least one ventila tor, which is not shown in the figures for the sake of simplicity.
- the second heat exchanger 9, which forms the warm side of the thermoelectric element is connected to a cooling air duct 10 of a central cooling system 11 (galley chiller) of the aircraft. From the central cooling system 11 of the aircraft, the second heat exchanger 9 of the first compartment 2 is optionally supplied with ambient air and / or conditioned cold air.
- the cooling air duct 10 comprises a section which is designed as a supply air duct 12 and a section which is designed as an exhaust air duct 13.
- a temperature sensor 14 is arranged in the supply air duct 12 and in the exhaust air duct 13. As can be seen in particular from FIG.
- the first compartment 2 according to the first exemplary embodiment is designed as a closed cooling compartment with closed cold air circulation.
- a fan 15 is arranged in the first compartment 2, which is not mechanically coupled to the thermoelectric element 5 and whose speed can be regulated independently of the actuation of the thermoelectric element 5.
- the air circuits of the first compartment 2 and of the central cooling system 11 are separated from one another.
- the second heat exchanger 9 is arranged in the cooling air duct 10 of the central cooling system.
- the second heat exchanger 9 can form both the warm side and the cold side of the thermoelectric element.
- the cooling air duct 10 comprises a cooling air distributor 17, which has a supply air duct 12 and an exhaust air duct 13 as well as an supply air flap 18 and an exhaust air flap 19 in the insulating wall structure 6 of the compartment 2, which each establish a connection between the cooling air duct 10 and the compartment 2 or interrupt.
- the supply air flap 18 and the exhaust air flap 19 can each be opened and closed via a control unit.
- the supply air flap 18 and the exhaust air flap are both open, the cabin air circulated through the cooling air duct 10 and / or the conditioned cold air circulated through the cooling air duct can be completely or partially circulated through the compartment 2.
- the air circuits of the compartment 2 and the cooling air duct 10 communicate with one another.
- the compartment 2 can be flushed beforehand with cabin air or with conditioned cold air when switching from heating to cooling or vice versa.
- thermoelectric element 5 can bring about further cooling from an already low temperature level.
- cabin air can first be flushed so that compartment 2 can be warmed up or heated up by means of thermoelectric element 5 based on the higher temperature level of the cabin air.
- a fan of the thermoelectric element 5 is denoted by the reference number 20.
- FIG. 5 shows a third embodiment according to the invention.
- the same components are also given the same reference numerals there.
- the air circuits of the first compartment 2 and of the central cooling system 11 communicate with one another.
- the thermoelectric element 5 is arranged between the air inlet duct 12 and the air outlet duct 13 of the central cooling system 11 in such a way that the first heat exchanger 8 is arranged in the air inlet duct 12 and the second heat exchanger 9 in the air outlet duct 13.
- the possibly conditioned air from the central cooling system 11 is further cooled in the supply air duct 12 by the first heat exchanger 8 of the thermoelectric element 5 and circulated through the first compartment 2.
- the second heat exchanger 9 transfers the heat extracted from the supply air to the exhaust air flow, which is returned to the central cooling system 11.
- different operating modes of the cooling can be realized. For example, either ambient air or cold air (conditioned air) can be supplied via the supply air duct 12. If the thermoelectric element 5 is not energized, cooling can only be achieved with the cold air from the central cooling system 11.
- the thermoelectric element 5 can be controlled in such a way that the first heat exchanger 8 extracts heat from the ambient air or the conditioned cold air in the supply air duct 12.
- the polarity of the thermal Moelectric element 5 can be changed so that the air in the supply air duct 12 is heated and the air in the exhaust air duct 13 is cooled.
- FIG. 6 shows a fourth embodiment of the galley module 1 according to the invention.
- the same components are again provided with the same reference numerals.
- the cooling air duct 10 of the central cooling system 11 is connected to the first compartment 2 via an air guide housing 16 in which the thermoelectric element 5 is rotatably arranged.
- FIG. 6 shows a first operating position of the thermoelectric element 5 within the air guide housing 16, in which the cooling air duct 10 of the central cooling system 11 is separated from the air circulation or cold air circulation in the first compartment 2.
- the cold air circulation within the first compartment 2 is maintained by a fan 15.
- thermoelectric element 5 The air circulated within the compartment 2 is cooled by the first heat exchanger 8 of the thermoelectric element 5.
- the heat dissipated via the thermoelectric element 5 is given to the air circulated through the cooling air duct 10 via the second heat exchanger 9.
- the thermoelectric element 5 can be rotated from the first operating position, which is shown in FIG. 6, into the second operating position, which is shown in FIG.
- the cooling air duct 10 forms a supply air duct 12 into the first compartment 2 and an exhaust air duct 13 from the compartment 2.
- the air circuit of the central cooling system 11 and the air circuit of the first compartment communicate with one another in the second operating position of the thermoelectric element 5.
- the rotation of the thermoelectric element 5 in the air guide housing 16 can also be used to switch between heating and cooling, since the cold side and the warm side of the thermoelectric element 5 are rotated within the air guide housing 16 can be swapped.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2019/075538 WO2021058080A1 (en) | 2019-09-23 | 2019-09-23 | Galley module for an aircraft and method for the open-loop and/or closed-loop control of the temperature in a food and/or drinks compartment of a galley module |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4034462A1 true EP4034462A1 (en) | 2022-08-03 |
Family
ID=68072369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19778924.1A Pending EP4034462A1 (en) | 2019-09-23 | 2019-09-23 | Galley module for an aircraft and method for the open-loop and/or closed-loop control of the temperature in a food and/or drinks compartment of a galley module |
Country Status (4)
Country | Link |
---|---|
US (1) | US12103689B2 (en) |
EP (1) | EP4034462A1 (en) |
CN (1) | CN114650948A (en) |
WO (1) | WO2021058080A1 (en) |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8516A (en) | 1851-11-11 | Bedstead | ||
US832A (en) | 1838-07-12 | Improvement in m any-cham bered-cyli nder fire-arms | ||
DE4308144C1 (en) * | 1993-03-15 | 1994-10-27 | Deutsche Aerospace Airbus | Serving trolley on board an aeroplane |
US6845627B1 (en) * | 2003-11-10 | 2005-01-25 | Be Intellectual Property, Inc. | Control system for an aircraft galley cooler |
US20080173023A1 (en) * | 2007-01-23 | 2008-07-24 | Shao-Hung Wu | Refrigerator with thermal-electric semiconductor |
US9238398B2 (en) * | 2008-09-25 | 2016-01-19 | B/E Aerospace, Inc. | Refrigeration systems and methods for connection with a vehicle's liquid cooling system |
CA2753273C (en) * | 2009-03-04 | 2014-05-20 | B/E Aerospace, Inc. | Wall-mounted point-of-use air chiller for aircraft galley cart compartment |
US8516832B2 (en) | 2010-08-30 | 2013-08-27 | B/E Aerospace, Inc. | Control system for a food and beverage compartment thermoelectric cooling system |
EP2959237A1 (en) * | 2013-02-25 | 2015-12-30 | ZELISSEN, Marcus Jozef Gertrudis | Thermoelectric heat transferring system |
US9676483B2 (en) * | 2013-07-03 | 2017-06-13 | B/E Aerospace, Inc. | Aircraft galley air chiller system |
US9738389B2 (en) * | 2014-09-18 | 2017-08-22 | The Boeing Company | Systems and methods for cooling using galley monuments |
ES2969978T3 (en) * | 2015-01-22 | 2024-05-23 | Safran Aerotechnics | Uses of heat from aircraft fuel cells |
US10252804B2 (en) * | 2015-05-19 | 2019-04-09 | The Boeing Company | Galley refrigeration system of an aircraft |
EP3303138B1 (en) * | 2015-06-03 | 2020-11-11 | Airbus Operations GmbH | Cooling system for a galley, and method of operating such a cooling system |
WO2017173130A1 (en) | 2016-03-31 | 2017-10-05 | B/E Aerospace, Inc. | Solid-state cooling add-on bar unit for aircraft food service apparatus |
US11235879B2 (en) * | 2016-07-12 | 2022-02-01 | B/E Aerospace, Inc. | Aircraft service trolley and galley enclosure therefor |
DE102017200734A1 (en) | 2017-01-18 | 2018-07-19 | Airbus Operations Gmbh | Temperature control system for a Galleyfach a galley |
US11136125B2 (en) * | 2017-03-29 | 2021-10-05 | Rockwell Collins, Inc. | Liquid chilled galley bar unit |
WO2019143996A1 (en) * | 2018-01-19 | 2019-07-25 | Sheetak, Inc. | Portable temperature regulated container |
US11306958B2 (en) * | 2019-11-08 | 2022-04-19 | The Boeing Company | Galley refrigeration system |
US11502021B2 (en) * | 2019-12-16 | 2022-11-15 | B/E Aerospace, Inc. | Flatpack thermoelectric air chiller with pre-cooling cycle |
US20230400231A1 (en) * | 2022-06-08 | 2023-12-14 | B/E Aerospace, Inc. | High efficiency micro-chiller unit |
-
2019
- 2019-09-23 EP EP19778924.1A patent/EP4034462A1/en active Pending
- 2019-09-23 WO PCT/EP2019/075538 patent/WO2021058080A1/en unknown
- 2019-09-23 CN CN201980102440.9A patent/CN114650948A/en active Pending
- 2019-09-23 US US17/762,426 patent/US12103689B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US12103689B2 (en) | 2024-10-01 |
WO2021058080A1 (en) | 2021-04-01 |
US20220332427A1 (en) | 2022-10-20 |
CN114650948A (en) | 2022-06-21 |
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