# US 2017/0282679 A1 · Solid-state cooling add-on bar unit for aircraft food service apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0282679 A1 - Document ID: US20170282679A1 - Status: Published application - Kind: A1 - Application number: 15/474,781 - Filed: 2017-03-30 - Published: 2017-10-05 - Earliest claimed: 2016-03-31 - Assignees: B/E Aerospace, Inc. - Applicants: B/E Aerospace, Inc. - Inventors: Hsin-I Tsai; Peter John Leslie Burd; Richard Henry Jolley - Web page: https://patentgrep.com/patent/US20170282679A1 ## CPC - B60H 1/00478: {Air-conditioning devices using the Peltier effect} - B60H 1/2225: {arrangements of electric heaters for heating air} - B64D 11/0007: {Devices specially adapted for food or beverage distribution services} - B64D 11/04: Galleys - B64D 13/08: the air being heated or cooled - F25B 21/02: using Peltier effect; using Nernst-Ettinghausen effect - F25B 21/04: reversible - F25B 2321/0251: by a gas - Y02T 50/40: Weight reduction - B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A solid-state cooling apparatus for a galley installed in an aircraft that includes at least one storage enclosure for containing chilled beverage and/or foods for storage and a solid-state air-to-air thermoelectric device having a hot side and a cold side mounted in the galley and having at least one fan for circulating chilled air in proximity to the storage enclosure. A waste heat capture device is provided and includes a hot air outlet for discharging waste heat from the hot side of the cooling thermoelectric devices into the aircraft exterior to the galley. ## Claims ### Claim 1 A solid-state cooling apparatus for a galley installed in an aircraft, comprising: (a) at least one storage enclosure for containing chilled beverage and/or foods for storage; (b) a solid-state air-to-air thermoelectric device having a hot side and a cold side mounted in the galley and having at least one fan for circulating chilled air in proximity to the storage enclosure; and (c) a waste heat capture device including a hot air outlet for discharging waste heat from the hot side of the cooling thermoelectric devices into the aircraft exterior to the galley. ### Claim 2 (depends on 1) A solid-state cooling apparatus for a galley according to claim 1, wherein the thermoelectric device is a semi-enclosed reversed recirculated cooling device. ### Claim 3 (depends on 1) A solid-state cooling apparatus for a galley according to claim 1, wherein the thermoelectric device is a fully enclosed recirculated cooling device. ### Claim 4 (depends on 1) A solid-state cooling apparatus for a galley according to claim 1, wherein the thermoelectric device is an open, non-recirculating cascade-cooling device. ### Claim 5 (depends on 1) A solid-state cooling apparatus for a galley according to claim 1, wherein the galley includes a warming compartment for warming food items, and the thermoelectric device discharges waste heat from the hot side into the warming compartment. ### Claim 6 (depends on 1) A solid-state cooling apparatus for a galley according to claim 1, and including a plurality of thermoelectric devices positioned in a vertical stack in the galley and adapted to discharge chilled air for downward flow through the galley from a top of the galley to a bottom of the galley. ### Claim 7 A solid-state cooling apparatus for a food service apparatus installed in an aircraft, comprising: (a) at least one open beverage/food shelf positioned in the food service apparatus; (b) a cold air cascade thermoelectric device having a cold side and a hot side positioned in a top portion of the food service apparatus above the at least one open beverage/food shelf for providing downwardly cascading, non-recirculating chilled air to the at least one open beverage/food shelf; (c) an ice bucket/bottle chiller positioned below the beverage/food shelf for receiving scavenged chilled air from the beverage/food shelf, and a fully-enclosed recirculated thermoelectric device having a cold side and a hot side for circulating chilled air to the ice bucket/bottle chiller; (d) at least one sliding beverage drawer positioned below the ice bucket/bottle chiller for receiving scavenged air from the beverage/food shelf and the ice bucket/bottle chiller, and a semi-enclosed reversed recirculated cooling thermoelectric device having a cold side and a hot side for circulating chilled air within the beverage drawer; (e) a food warming compartment positioned in the food service apparatus above the thermoelectric device circulating chilled air to the ice bucket/bottle chiller in air flow communication with the hot side for receiving exhaust air from the hot side to warm the food contents of the warming compartment; and (f) at least one warm air outlet for exhausting warm air from the hot side of the beverage/food shelf thermoelectric device or the sliding beverage drawer thermoelectric device. ### Claim 8 (depends on 7) A solid-state cooling apparatus according to claim 7, wherein first and second sliding beverage drawers are positioned in the food service apparatus are furnished with chilled air by respective first and second semi-enclosed reversed recirculated cooling thermoelectric devices. ### Claim 9 (depends on 8) A solid-state cooling apparatus according to claim 8, wherein the first and second semi-enclosed reversed recirculated cooling thermoelectric devices exhaust warm air from a respective hot side to a warm air outlet to the aircraft cabin. ### Claim 10 (depends on 8) A solid-state cooling apparatus according to claim 8, wherein the first and second sliding beverage drawers are furnished with air scavenged from the thermoelectric device of the open beverage/food shelf. ### Claim 11 (depends on 7) A solid-state cooling apparatus according to claim 7, including first, second and third open shelves positioned in the food service apparatus. ### Claim 12 (depends on 7) A solid-state cooling apparatus according to claim 7, wherein the thermoelectric devices include two stage cooling wherein ambient supply air of a secondary hot side is precooled by an integrated primary cooling stage. ### Claim 13 (depends on 7) A solid-state cooling apparatus according to claim 7, wherein the food service apparatus comprises a galley. ### Claim 14 (depends on 15) A solid-state cooling apparatus according to claim 15, wherein the thermoelectric device includes a heat sink fabricated of graphene.