With Product Treatment Patents (Class 62/324.3)
  • Patent number: 11118817
    Abstract: An apparatus includes a high side heat exchanger, a flash tank, a first load, a first compressor, an auxiliary cooling system, and a first check valve. The high side heat exchanger removes heat from a refrigerant. The flash tank stores the refrigerant from the high side heat exchanger. The first load uses the refrigerant to remove heat from a space proximate the first load. The first compressor compresses the refrigerant from the first load. The auxiliary cooling system removes heat from the refrigerant stored in the flash tank during a power outage. The first check valve directs the refrigerant between the first load and the first compressor back to the flash tank when the pressure of the refrigerant between the first load and the first compressor exceeds a threshold during the power outage.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: September 14, 2021
    Assignee: Heatcraft Refrigeration Products LLC
    Inventor: Shitong Zha
  • Patent number: 10156392
    Abstract: Refrigeration apparatus R that includes a refrigerant circuit composed of compression section 11, gas cooler 28, electric expansion valve 39, and evaporator 41 includes: electric expansion valve 33; tank 36; split heat exchanger 29; electric expansion valve 43; electric expansion valves 47 and 71; auxiliary circuit 48, main circuit 38, and control apparatus 57, in which control apparatus 57 regulates the gas cooler outlet temperature based on outside air temperature when the outside air temperature is higher than a specified temperature, and regulates the gas cooler outlet temperature based on saturation temperature ST of saturated liquid of the refrigerant after the refrigerant flows out of compressor 11 but before flows into electric expansion valve 33, when the outside air temperature is lower than the specified temperature.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: December 18, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yusuke Kurata, Kazuhiko Mihara
  • Patent number: 10132529
    Abstract: A thermal management system includes a closed dynamic cooling circuit, and a closed first steady-state cooling circuit. Each circuit has its own compressor, heat rejection exchanger, and expansion device. A thermal energy storage (TES) system is configured to receive a dynamic load and thermally couple the dynamic cooling circuit and the first steady-state cooling circuit. The dynamic cooling circuit is configured to cool the TES to fully absorb thermal energy received by the TES when a dynamic thermal load is ON, and the steady-state cooling circuit is configured to cool the TES when the dynamic thermal load is OFF.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 20, 2018
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies, Inc.
    Inventors: Igor Vaisman, Steve T. Gagne, Kyle Burkholder
  • Patent number: 9951987
    Abstract: A refrigerator having a quick-freezing function includes: a main body; at least one freezing chamber disposed in the main body and comprising at least one quick-freezing chamber; a freezing evaporator disposed in the main body, and spaced apart from the at least one freezing chamber via a freezing air duct cover plate; a freezing fan corresponding to the at least one freezing chamber and a quick-freezing fan corresponding to the at least one quick-freezing chamber, and configured to blow cold air generated by the freezing evaporator into the at least one freezing chamber and the at least one quick-freezing chamber respectively; and a controller configured to control the freezing fan and the quick-freezing fan. The refrigerator can maintain the taste and nutrition of foods through quick-freezing, and prolong the fresh period of vegetables and fruits.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: April 24, 2018
    Assignees: HEFEI MIDEA REFRIGERATOR CO., LTD., HEFEI HUALING CO., LTD.
    Inventors: Wei Ren, Lingyun Li, Jian Cheng
  • Patent number: 9683704
    Abstract: In one aspect, a system for controlling the temperature within a gas adsorbent storage vessel of a vehicle may include an air conditioning system forming a continuous flow loop of heat exchange fluid that is cycled between a heated flow and a cooled flow. The system may also include at least one fluid by-pass line extending at least partially within the gas adsorbent storage vessel. The fluid by-pass line(s) may be configured to receive a by-pass flow including at least a portion of the heated flow or the cooled flow of the heat exchange fluid at one or more input locations and expel the by-pass flow back into the continuous flow loop at one or more output locations, wherein the by-pass flow is directed through the gas adsorbent storage vessel via the by-pass line(s) so as to adjust an internal temperature within the gas adsorbent storage vessel.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: June 20, 2017
    Assignee: Savannah River Nuclear Solutions, LLC.
    Inventors: David A. Tamburello, Donald L. Anton, Bruce J. Hardy, Claudio Corgnale
  • Patent number: 9038408
    Abstract: A wastewater geothermal heat system is supplied with processed wastewater through a drip field in proximity to a thermal array part of a geothermal heat pump system. The wastewater treatment system portion provides a periodic source of treated wastewater. Several sensors and a control system regulate a pump that discharges wastewater from the treatment system and enters a drip field where it is released into the surrounding soil. The dampened soil provides an efficient vehicle to transfer heat into or out of a thermal array which is positioned adjacent to the drip field such that it is in contact with the soil that is dampened by the discharged wastewater.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: May 26, 2015
    Assignee: AK Industries, Inc.
    Inventor: Stephen A Sabo
  • Patent number: 8544270
    Abstract: A waste heat recovery system of an internal combustion engine, in which regenerative energy transmitted to the internal combustion engine is increased with a simple mechanism. A controller of the waste heat recovery system of an internal combustion engine makes a determination as to whether it is necessary to increase the pressure of heat-transfer media in a heat exchanger, on the basis of the pressure detected by the high-pressure sensor. When it is necessary to increase the pressure in the heat exchanger, the controller causes a flow-rate regulating valve to start regulating the flow rate of the heat-transfer media while leaving the pump working. The controller causes the flow-rate regulating valve to continue the regulation at least until it is not necessary to increase the pressure in the heat exchanger, and then terminates the regulation.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: October 1, 2013
    Assignee: Sanden Corporation
    Inventor: Junichiro Kasuya
  • Patent number: 8438864
    Abstract: A method for increasing efficiency of a transcritical heat pump water heater system is provided, as well as the corresponding system. The refrigerant, such as CO2, is compressed to a supercritical point and passed through a gas cooler that is wrapped at least partially around a water storage tank, wherein the refrigerant transfers heat to water stored in the tank. The hot water is discharged from the storage tank proximate to a top of the tank, and cold water is introduced into the tank proximate to a bottom of the tank. The supercritical refrigerant is directed to flow through the gas cooler from a top point to a lowermost point in a flow direction such that the refrigerant exits the gas cooler proximate to the bottom of the tank at a location of the coldest water within the storage tank.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: May 14, 2013
    Assignee: General Electric Company
    Inventors: John Joseph Roetker, Jonathan Charles Crosby
  • Publication number: 20120125024
    Abstract: A heat pump and a method of controlling a heat pump are provided. The heat pump may perform gas injection through a plurality of coolant injection circuits formed in a compressor, such as a scroll compressor, to increase a corresponding flow rate. The heat pump may control the plurality of coolant injection circuits based on one or more operation conditions by selecting an appropriate optimal middle pressure from a high-and-low pressure difference, a pressure ratio, and a compression ratio of the compressor to enhance cooling/heating performance.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 24, 2012
    Inventors: Byoungjin Ryu, Yonghee Jang
  • Publication number: 20110192186
    Abstract: The rear side outer peripheral edge of a propeller fan rotated and driven by a motor, of a propeller fan drive unit, is surrounded by a bell mouth. An upper plate, a lower plate, a side plate, and a machine room plate constitute an air duct at the suction side, outside the radial direction of the propeller fan. The cross-section of the bell mouth, at a first position in the vicinity where a blade of the propeller fan is closest, and where the distance between the propeller fan and the plate constituting the air duct outside the radial direction is relatively narrow, is made to be such that an expansion angle ?1 of the bell mouth suction side is made small. The overlapped height Hb of the propeller fan and the bell mouth is made large against a cross-section at a second position where the distance between the propeller fan and a plate is relatively large. The shape of the cross-section of the bell mouth is made to change gradually between the first position and the second position.
    Type: Application
    Filed: October 29, 2009
    Publication date: August 11, 2011
    Inventors: Yasuaki Kato, Takahide Tadokoro, Masanobu Baba, Hiroyuki Takada
  • Patent number: 7981254
    Abstract: In a heat pump system including a water purifier and an evaporator for evaporating feed-water to produce steam, water used for spray cooling is effectively used and productivity of purified water used for the spray cooling is increased. Discharged water from the water purifier is supplied to the evaporator when water used for spray cooling is produced by use of the water purifier. Otherwise, drain of the evaporator having higher temperature is supplied to the water purifier by using such a fact that in a reverse osmosis membrane type water purifier, the higher the temperature of feed-water is, the higher the purified water productivity becomes.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: July 19, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Tadaharu Kishibe, Susumu Nakano, Takanori Shibata
  • Patent number: 7975502
    Abstract: In a heat pump apparatus of the invention, a refrigerant is circulated through a compressor 31, a radiator 32, a first throttle apparatus 33, a heat exchanger 34, a second throttle apparatus 35 and an evaporator 36 in this order. The heat exchanger 34 can be utilized as both a radiator and an evaporator by operating the first throttle apparatus 33 and the second throttle apparatus 35. Therefore, even if the outside air temperature is high, discharge pressure and suction pressure of the compressor do not rise, the heat pump apparatus can be operated in a stable refrigeration cycle, and energy can be saved.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: July 12, 2011
    Assignee: Panasonic Corporation
    Inventors: Tomoichiro Tamura, Yuuichi Yakumaru, Masaya Honma, Fumitoshi Nishiwaki
  • Publication number: 20110113804
    Abstract: A heat pump according to the present invention comprises a plurality of the compression chambers, and compresses refrigerant with multistage, and injects vapor refrigerant into the space between the plurality of the compression chambers by using the first refrigerant injection flow path and the second refrigerant injection flow path. Performance and efficiency of the heat pump can be improved compared with non-injection, as flow rate of the refrigerant circulating the indoor heat exchanger is increased. Thus heating performance can be improved also in the extremely cold environmental condition such as the cold area by increasing the injection flow rate. Also, because the heat pump according to the present invention comprises the first refrigerant injection flow path and the second refrigerant injection flow path, refrigerant is injected twice. Thus, as the injection flow rate of the refrigerant is increased, heating capacity can be improved.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 19, 2011
    Inventors: Simwon Chin, Eungyul Lee, Younghwan Ko, Sangkyoung Park
  • Publication number: 20110113808
    Abstract: The heat pump according to the present invention comprises a scroll compressor, and injects refrigerant to the scroll compressor by using the first refrigerant injection flow path and the second refrigerant injection flow path. By injecting refrigerant, an efficiency of the heat pump can be improved as compared with non-injection. Thus, a heating performance can be improved also in the extremely cold environmental condition such as the cold area. Also, because refrigerant is injected twice by using the first refrigerant injection flow path and the second refrigerant injection flow path, heating performance can be improved by increasing the injection flow rate.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 19, 2011
    Inventors: Younghwan Ko, Sangkyoung Park, Yonghee Jang, Bumsuk Kim
  • Publication number: 20110088869
    Abstract: A method for heating and cooling a consumable product disposed in a product container includes the steps of: (i) heating the consumable product to a first temperature by transferring heat from ambient air to refrigerant through a liquid-to-air heat exchanger; and (ii) heating the consumable product to a second temperature without transferring heat from the ambient air to the refrigerant through the liquid-to-air heat exchanger; wherein the second temperature is greater than the first temperature.
    Type: Application
    Filed: October 13, 2010
    Publication date: April 21, 2011
    Applicant: CARRIER CORPORATION
    Inventors: Stephen M. Wadle, Robert K. Newton, Peter F. McNamee
  • Patent number: 7914607
    Abstract: A domestic appliance including an adsorption unit and further including a process air conduit, wherein an adsorption container operates as a heat exchanger for heating a stream of air flowing in the process air conduit and being applied to the adsorption container, with the adsorption unit configured for alternate and reversible operation in a first operating state in which a stream of air flowing in the process air conduit is applied to the adsorption container and which adsorbs adsorptive evaporating in the phase transition container, and in a second operating state in which the adsorbing agent is heated by the heater and the adsorptive is desorbed, with desorbed adsorptive condensing in the phase transition container, the domestic appliance including an assembly operatively associated with the adsorption unit for applying a stream of air flowing in the process air conduit to the adsorption container in the second operating state.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: March 29, 2011
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Harald Moschütz, Andreas Stolze
  • Publication number: 20110061418
    Abstract: A heat pump type hot-water heater includes a hot-water tank, a heat pump cycle for heating hot water, a partition plate which divides an interior of the hot-water tank into an upper space and a lower space, a hot-water supply heat exchanger which exchanges heat of water with heat of hot water in the hot-water tank to produce high temperature hot water, a hot water supply pump which sends hot water in the hot-water tank to the hot-water supply heat exchanger, a heating terminal which heats a room, and a heating pump which sends hot water in the hot-water tank to the heating terminal.
    Type: Application
    Filed: February 12, 2010
    Publication date: March 17, 2011
    Applicant: Panasonic Corporation
    Inventors: Hiroshi Ishihara, Toshihiro Horiuchi, Toshikatsu Fukunaga, Yoshitaka Suita
  • Publication number: 20100212178
    Abstract: A household appliance includes a drying chamber, a process air loop and a heat pump. The heat pump includes a heat transfer loop containing a heat transfer fluid, an evaporator heat exchanger, a liquefier heat exchanger, a compressor, and a nozzle. The heat transfer fluid has a critical temperature above 60° C., a nominal heat of vaporization at boiling point of at least 220 kJ/kg, a GWP index of less than 150 and a lower flammability level of at least 0.1 kg/m3. Preferably, the household appliance is a dryer for drying wet laundry.
    Type: Application
    Filed: October 10, 2008
    Publication date: August 26, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERATE GmbH
    Inventors: Jose Miguel Corberan Salvador, Jose Gonzalvez Macia, Roberto San Martin Sancho
  • Publication number: 20090031749
    Abstract: A refrigeration apparatus with an exhaust heat recovery device mounted on a vehicle includes a refrigeration cycle for allowing a refrigerant for refrigeration to circulate therethrough, and a Rankine cycle for allowing a refrigerant for the Rankine cycle to circulate therethrough. The refrigeration-cycle condenser and the Rankine-cycle condenser are disposed in predetermined positions of the vehicle in series with respect to a flow direction of external air for cooling, and the refrigeration-cycle condenser is disposed on an upstream side of the external air with respect to the Rankine-cycle condenser.
    Type: Application
    Filed: May 28, 2008
    Publication date: February 5, 2009
    Applicants: DENSO CORPORATION, Nippon Soken, Inc.
    Inventors: Michio Nishikawa, Hironori Asa, Keiichi Uno, Hiroshi Kishita
  • Publication number: 20080190130
    Abstract: A heat pump system (10) includes a compressor (20), a reversing valve (30), an outdoor heat exchanger (40) and an indoor heat exchanger (50) coupled via refrigerant lines (35, 45, 55) in a conventional refrigeration circuit, and a refrigerant-to-water heat exchanger (60). In the air cooling with water heating mode, the air heating with water heating mode and the water heating only mode, water from a water reservoir (64), such as a storage tank or swimming pool, is passed through heat exchanger (60) in heat exchange relationship with refrigerant passing through line (35). A refrigerant reservoir (70) may be provided for use in refrigerant charge control. A refrigerant line (71) couples reservoir (70) to the refrigerant circuit intermediate the outdoor and indoor heat exchangers for directing liquid refrigerant into the reservoir (70) and a refrigerant line (73) couples the refrigerant circuit upstream of the suction inlet to the compressor (20) for returning refrigerant to the refrigerant circuit.
    Type: Application
    Filed: February 27, 2007
    Publication date: August 14, 2008
    Applicant: Springer Carrier Ltda
    Inventors: Toshio Murakami, Carlos A. Tesche, Roberto G. Fernandez
  • Patent number: 6691526
    Abstract: This invention relates to a method and apparatus for energy effective regulation of temperature and ventilation of one or more ventilation units of buildings, where one or more heat-pumps are used to exchange thermal energy between outdoor air and an indoor heat carrying fluid medium and where the heating and/or cooling of each ventilation units are achieved by distributing the indoor heat carrying fluid medium in each ventilation units, in such a manner that the natural short term variations in outdoor temperature due to passages of weather systems and the day/night variations is utilized to give the one or more heat-pumps optimized conditions such that they are only turned on for extracting outdoor heat which is delivered to the indoor heat carrying and distributing fluid medium at the relative warm periods in the case of warming the buildings, or only in the relative cold periods for cooling the heat carrying and distributing fluid medium for removal of indoor heat in the case of cooling the buildings, and
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: February 17, 2004
    Assignee: Gether AS
    Inventors: Jørgen Gether, Harald Gether
  • Patent number: 6405551
    Abstract: A heating apparatus having a refrigeration cycle includes a compressor, a condenser and an evaporator. The heating apparatus has a first heat exchanger and a second heat exchanger, where the first heat exchanger is selected as a heat source, and the second heat exchanger is selected as either a cooling or heating source. The first heat exchanger and the second heat exchanger are connected in series with each other in a refrigerant circuit. A heating medium is circulated in a heat transfer device which is connected to the first heat exchanger. Bathwater of a bathtub and water of a hot-water storage tank are heated through the heat transfer device indirectly by the first heat exchanger.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: June 18, 2002
    Assignee: Science, Inc.
    Inventors: Katumi Kuwabara, Junji Wakikawa, Mitiyuki Takahashi, Akihiro Kobayashi
  • Patent number: RE43312
    Abstract: It is an object of the present invention to reduce the constraint that the density ratio is constant as small as possible, and to obtain high power recovering effect in a wide operation range. A refrigeration cycle apparatus uses carbon dioxide as refrigerant and has a compressor, an outdoor heat exchanger evaporator, an expander and an indoor heat exchanger a radiator. An injection circuit for introducing high pressure refrigerant is provided in a halfway of an expansion process of said expander.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: April 17, 2012
    Assignee: Panasonic Corporation
    Inventors: Kazuo Nakatani, Yoshikazu Kawabe, Yuji Inoue, Noriho Okaza, Akira Hiwata