Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


With vapor compression system

Subclass of:

062 - Refrigeration

062238100 - DISPARATE APPARATUS UTILIZED AS HEAT SOURCE OR ABSORBER

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
062238700 Reversible, i.e., heat pump 64
Entries
DocumentTitleDate
20090120116Fuse Generator - An air conditioning unit that will be more efficient by generating its own voltage. The present invention is a way to make an air conditioning unit more efficient by placing an actuator in line with the expanding refrigerant gas in communication with a generator that will generate a direct voltage (DC) that will in turn drive the two fan motors that most air conditioning units have.05-14-2009
20120180512WATER RECOVERY SYSTEM FOR A COOLING TOWER - A water recovery system for a cooling tower includes an intercooler having a first circuit portion and a second circuit portion. The first circuit portion is configured and disposed to receive a liquid desiccant and the second circuit portion is configured and disposed to receive coolant. A flash drum includes an inlet connected to the first circuit portion, a vapor outlet and a liquid desiccant outlet. A condenser is fluidly coupled to the vapor outlet of the flash drum. The condenser includes a condensate outlet. A cooling tower is fluidly connected to the liquid desiccant outlet of the flash drum and the condenser. The cooling tower includes a water stripper having a collector member, and a heat exchanger arranged below the water stripper. The collector member is configured to receive water laden liquid desiccant and the heat exchanger is configured and disposed to receive make-up water from the condenser.07-19-2012
20100005821System and Method for Controlling a Refrigeration Desuperheater - A system for controlling a desuperheater includes a first temperature sensor coupled to a refrigerant discharge gas line of a compressor; and a controller operatively coupled to at least the first temperature sensor, the compressor, and the desuperheater. The controller controls the desuperheater based at least in part on temperature data received from the first temperature sensor.01-14-2010
20130055747Heating/Air-Conditioning Installation With External And Contiguous Condenser And Evaporator For Heating The External Evaporator - A heating/air-conditioning installation (IC) comprises a compressor (CP) capable of heating and pressurizing a refrigerant, an internal condenser (CDI) capable, in heating mode, of contributing towards the heating of an air known as interior air by exchange with the refrigerant coming from the compressor (CP), an external pressure reducer (DTE) capable, in heating mode, of cooling the refrigerant, and an external evaporator (EE) capable, in heating mode, of heating up the refrigerant coming from the external pressure reducer (DTE) by exchange of heat with an air known as exterior air to feed into the compressor (CP). This installation (IC) further comprises an external condenser (CDE) contiguous with the external evaporator (EE) and capable, in heating mode, of collecting the refrigerant coming from the internal condenser (CDI) to feed the external pressure reducer (DTE) and constitute a heat source for the contiguous external evaporator (EE), so as to reduce the probability of the latter (EE) icing up in the presence of exterior air at a low temperature.03-07-2013
20130091885AIR CONDITIONER - An air conditioner capable of cooling or heating an electronic component box provided to an outdoor unit is provided. An air conditioner includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, an electronic component box and an electronic component box heat exchanger. The compressor compresses a refrigerant. The outdoor heat exchanger performs a heat exchange between outdoor air and the refrigerant, being disposed outdoors and connected to the compressor. The indoor heat exchanger performs a heat exchange between indoor air and the refrigerant, being disposed indoors and connected to the compressor and the outdoor heat exchanger. The electronic component box has electronic components accommodated therein, being disposed outdoors together with the outdoor heat exchanger. The electronic component box heat exchanger heat or cools the electronic component box through flow of the refrigerant, being provided in the electronic component box.04-18-2013
20130061622REFRIGERATING AND AIR-CONDITIONING APPARATUS - A refrigerating and air-conditioning apparatus is provided, with which a cold-storage/refrigeration load and air-conditioning loads such as a cooling load and a heating load can be simultaneously processed and a stable heat source can be supplied throughout the year. In the refrigerating and air-conditioning apparatus, heating energy or cooling energy stored in the primary-side refrigerant is usable as an air-conditioning load through the indoor heat exchanger while cooling energy stored in the primary-side refrigerant is transferred to the secondary-side refrigerant circulated in the cold-storage/refrigeration refrigeration cycle through the first refrigerant-refrigerant heat exchanger so as to be usable as a cold-storage/refrigeration load.03-14-2013
20120285190HEAT TRANSFER PIPE FOR HEAT EXCHANGER, HEAT EXCHANGER, REFRIGERATION CYCLE APPARATUS, AND AIR-CONDITIONING APPARATUS - A heat transfer pipe for a heat exchanger including high threads and low threads that are lower than the high threads. The high threads and the low threads are provided at respective prescribed heights in a helical manner in a pipe axial direction on an inner surface of a pipe, the high threads are formed with 11 to 19 threads, the low threads are formed with 3 to 6 threads between each pair of the high threads, the high threads before expansion of the pipe each have a trapezoidal shape in cross-section so that a crest before the expansion of the pipe is flat, and a ratio W11-15-2012
20100018231Heat Exchanger With Heat Storage - Heat exchanger, for example for a motor vehicle air-conditioning circuit, comprising a plurality of tubes (01-28-2010
20110289953Thermally Enhanced Cascade Cooling System - A cascade cooling system that uses low-grade thermal and other energy input sources to provide refrigeration and air conditioning in stationary and mobile applications. A two-loop embodiment includes a heat-powered first loop incorporating a vapor-jet compressor and a second loop based on a mechanical compressor powered by an electric motor or other source of rotational torque. The system uses waste heat, solar thermal or a fuel-fired heat source to partially or fully offset mechanical/electrical energy input. The system can also operate entirely on thermal, electrical or mechanical input. The ability to use multiple energy sources in any combination maximizes energy efficiency, performance and reliability. The system is well suited to making beneficial use of waste heat in vehicle applications. In stationary applications, solar thermal and/or waste heat from industrial processes can be used to improve the efficiency of conventional cooling systems.12-01-2011
20100170274TURBO CHILLER, HEAT SOURCE SYSTEM, AND METHODS FOR CONTROLLING THEM - There is provided a turbo chiller that can be operated at high efficiency within an adequate chilling capacity range even when the cooling water temperature changes during the operation. The adequate chilling capacity range is obtained by using a flow coefficient and a pressure coefficient at a specific operating point of a turbo compressor as well as a predetermined coefficient to determine an arithmetic expression representing the relationship between a head and a chilling capacity, using a chilling capacity that can lead to a substantially highest coefficient of performance at a single head to obtain the predetermined coefficient as an optimum coefficient, computing an adequate operation coefficient range having a predetermined range and including the optimum coefficient, and substituting the adequate operation coefficient range and a head at the time of operation into the arithmetic expression.07-08-2010
20090288437AIR CONDITIONING SYSTEM - An air conditioning system includes a compressor, a first heat source-side heat exchanger for heating or cooling a refrigerant, a second heat source-side heat exchanger for exchanging heat between the refrigerant and a heat delivery medium, a first utilization-side heat exchanger for performing indoor cooling by using the refrigerant cooled in the first heat source-side heat exchanger, a second utilization-side heat exchanger for performing indoor heating by using the heat delivery medium subjected to heat exchange in the second heat source-side heat exchanger, and a connection mechanism. The connection mechanism can switch between a first connection state in which refrigerant is circulated sequentially through the compressor, the first heat source-side heat exchanger, the first utilization-side heat exchanger and the compressor; and a second connection state in which the refrigerant is circulated sequentially through the compressor, the second heat source-side heat exchanger, the first heat source-side heat exchanger, and the compressor.11-26-2009
20120067074SEPARABLE HEAT PUMP AND WATER HEATER - A water heater device with an integrated modular heat pump is described. The water heater device has an insulated glass-lined casing for storing water to be heated. One or more resistive heating elements are provided in the casing for heating water. A cold water conduit introduces water in a lower portion of the casing and a hot water conduit extracts hot water from an upper portion of the casing. Detachable supports are provided to support the modular heat pump in close proximity to the water heater. The refrigeration system of the heat pump has a condensation coil having a refrigerant conduit in heat exchange relationship with a water circulation conduit to heat water in the water circulation conduit pumped from the lower portion of the casing through a supply conduit and returned to the casing by a return conduit. Detachable couplings are provided to easily detach the cold water conduit, the hot water conduit and the supply conduit and return conduit when repair and maintenance require it.03-22-2012
20110219803AIR CONDITIONING DEVICE INCLUDING OUTDOOR UNIT AND DISTRIBUTION UNIT - An air conditioning device is provided that includes an outdoor unit and a distribution unit. In the air conditioning device, a length of pipes that connect a plurality of indoor units to the outdoor unit is minimized to improve aesthetic appeal and efficiency, and pipes are arranged in the distribution unit for interconnecting the indoor units and the outdoor unit efficiently so as to minimize the volume of the distribution unit. The distribution unit may have a modular structure such that single or multiple distribution units may be added or removed as needed.09-15-2011
20090205350AIR CONDITIONING SYSTEM - An air conditioning system includes a heat-pump type cooling unit and an air-heating unit. On a first circulation path in the cooling unit, provided are a gas-liquid separator provided between an expansion valve and an evaporator for separating refrigerant supplied from the expansion valve into refrigerant gas and refrigerant liquid and sending the refrigerant liquid to the evaporator, a bypass path for flowing the refrigerant gas through the first circulation path with bypassing the evaporator, and a changeover valve for preventing the refrigerant liquid from flowing into the evaporator. In warming-up mode, only the refrigerant gas is circulated in a refrigeration cycle. According to the system, air-heating can be achieved by driving the cooling unit even under a condition where outside temperature is very low.08-20-2009
20090211282Hot water supply system - A hot water supply system (08-27-2009
20100146999Refrigerating apparatus - Refrigerant sent from a heat source side circuit (06-17-2010
20100162742REFRIGERATION APPARATUS - An air conditioner (07-01-2010
20090113911Hot Water Supply Device - A hot water supply device (05-07-2009
20090113912Cooling System, Method for Operating the Same, and Plasma Processing System Using Cooling System - In a cooling system, a compressor (05-07-2009
20110041535HEAT EXCHANGE SYSTEM - A modular heat exchange system having a refrigerant system for cycling a refrigerant through a compressor, a condenser, an expansion valve, and an evaporator, a heat source circulation system which circulates a heat exchange fluid, and a heat sink circulation system which circulates a heat absorption fluid, wherein the refrigerant cycles through the evaporator in a direction parallel relative to a direction of circulation of the heat exchange fluid flowing concurrently through the evaporator, and wherein the refrigerant flows through the condenser in a direction opposite relative to the circulation direction of the heat absorption fluid flowing concurrently through the condenser. In another aspect, the heat source circulation system includes a heat source and a fluid flow conduit connecting the heat source to the evaporator. In another aspect, the heat sink circulation system includes a heat sink and a hot fluid flow conduit connecting the heat sink to the condenser.02-24-2011
20110041536HEAT EXCHANGE SYSTEM - A modular heat exchange system having a refrigerant system for cycling a refrigerant through a compressor, a condenser, an expansion valve, and an evaporator, a heat source circulation system which circulates a heat exchange fluid between a heat source and the evaporator, a heat sink circulation system which circulates a heat absorption fluid between a heat sink and the condenser, a fluid management system having temperature gauges for respectively reading core temperatures of the heat source and the heat sink, and a thermal energy source from which thermal energy is transferred to the heat exchange fluid when the core temperature of the heat source falls below a threshold temperature while the core temperature of the heat sink is maintained at a constant temperature.02-24-2011
20100000248REFRIGERATION SYSTEM - A heat source side circuit (01-07-2010
20120198877HEAT PUMP FOR HEAT SOURCE TOWER - A heat pump for a heat source tower using secondary solar energy, including a cold and heat source tower, a low heat source heat pump, a condensation water separate device used in winter, a looping system at a cold and heat source side, and a circulating system at a terminal load side.08-09-2012
20120198878HEATING DEVICE WITH IRREVERSIBLE THERMODYNAMIC CYCLE FOR HEATING INSTALLATIONS HAVING HIGH DELIVERY TEMPERATURE - The present invention relates to a heating device with irreversible thermodynamic cycle. The device comprises a low temperature circuit and a high temperature circuit in which respectively a first and a second operating fluid circulate. Each circuit comprises evaporating, compression, condensation and expansion means of the respective operating fluid. The low temperature circuit absorbs thermal energy from a supply water flow for evaporating the first operating fluid. The thermal energy deriving from the condensation of the first operating fluid is used for evaporating the second fluid. Instead, the thermal energy deriving from the condensation of the second fluid is used for heating a delivery water flow. According to the invention, the two operating circuits each comprise cooling means interposed between the corresponding condensation and expansion means. Such cooling means are in thermal contact with independent partial flows of the supply water flow so as to heat the latter overall by means of thermal energy removed from the operating fluids circulating in the two circuits.08-09-2012
20110005254Environmental Protection and Energy Saving Heater - This invention provides a new type of environmental protection and energy saving heater, which including heater bracket, hot roast cell, and refrigeration cell that connected with hot roast cell. The hot roast cell including compressor and condenser, a heat exchanger is set up between compressor and condenser. And regarding the refrigeration cell, which including expansion valve, evaporator, and the four-way valve; the condenser connected with one end of expansion valve, the other end of it connected with one end of evaporator through the four-way valve, and the other end of evaporator connected with compressor. The hot roast cell and refrigeration cell located in bracket. Compared with habitually using, this can recycle the heat of water chiller, and transfer the low-quality heat into high-quality heat energy.01-13-2011
20080196431Heating Installation and Heating Method - A heating installation is provided with08-21-2008
20100319377REFRIGERATION APPARATUS - In a refrigeration apparatus (12-23-2010
20100319376HEAT SOURCE UNIT OF REFRIGERATION SYSTEM AND REFRIGERATION SYSTEM - A heat source circuit (12-23-2010
20100089085HEAT SOURCE UNIT AND REFRIGERATION SYSTEM - An outdoor unit (04-15-2010
20080216501Refrigerating device comprising waste heat utilization equipment - In a refrigerating device comprising waste heat utilization equipment having: a refrigerating cycle 09-11-2008
20110302943HEAT PUMP SYSTEM - A heat pump system includes: a heat-source-side refrigerant circuit having a heat-source-side compressor, a first usage-side heat exchanger operable as a radiator of heat-source-side refrigerant, and a heat-source-side heat exchanger operable as an evaporator of heat-source-side refrigerant; and a usage-side refrigerant circuit having a usage-side compressor arranged to compress usage-side refrigerant with a pressure of the usage-side refrigerant corresponding to a saturated gas temperature of 65° C. that is 2.8 MPa or less at gauge pressure, a refrigerant-water heat exchanger operable as a radiator of usage-side refrigerant to heat an aqueous medium, and a first usage-side heat exchanger operable as an evaporator of usage-side refrigerant by the radiation of heat-source-side refrigerant. The weight of usage-side refrigerant enclosed in the usage-side refrigerant circuit is one to three times the weight of refrigeration machine oil enclosed to lubricate the usage-side compressor.12-15-2011
20120011872DEVICE FOR SEPARATING LUBRICANT FROM A LUBRICANT-REFRIGERATING GAS MIXTURE DISCHARGED FROM AT LEAST ONE REFRIGERANT COMPRESSOR - The separating device according to the invention comprises a body delimiting a separating chamber, at least one inlet orifice emerging in the separating chamber and intended to be connected to a discharge orifice of the refrigerant compressor so as to allow a lubricant-refrigerating gas mixture to be introduced into the separating chamber, at least one lubricant outlet orifice emerging in the separating chamber and intended to be connected to a lubricant pan formed in the refrigerant compressor. The separating device comprises a first measuring means arranged to measure the temperature of the lubricant contained in the lubricant pan formed in the refrigerant compressor, and a regulating arranged to regulate the temperature of the lubricant separated in the separating chamber as a function of the temperature of the lubricant measured by said first measuring means.01-19-2012
20090314020INDOOR UNIT FOR AIR CONDITIONER - An indoor unit for a multi-directional air supply air conditioner capable of performing at least a heating operation includes: an indoor fan (12-24-2009
20120312044THERMAL RECYCLING SYSTEM - A thermal recovery system includes one or more thermal transfer tanks having a medium for facilitating heat transfer from the refrigerant conduit of a conventional air conditioning system to one or both of a fresh water line carrying fresh water to a user and a circulated water line circulating water.12-13-2012
20120125030OUTDOOR HEAT EXCHANGER AND HEAT PUMP HAVING THE SAME - A heat pump is provided. The heat pump may include an outdoor heat exchanger that performs a heat exchange operation between refrigerant and outdoor air. The outdoor heat exchanger may include a refrigerant tube that guides refrigerant therethrough, and one or more fins coupled to the refrigerant tube. One face of each of the fins may be coated with a water repellent coating material and another face thereof may be coated with a hydrophilic coating material. An area coated with the water repellent coating material may be greater than an area coated with the hydrophilic coating material.05-24-2012
20120159980DEVICE FOR RECOVERING HEAT FROM WASTEWATER, THERMAL SYSTEM INCLUDING SUCH A DEVICE, AND METHOD - This heat recovery device is of the type comprising a vat for holding wastewater and a heat exchanger comprising at least one heat exchange plate comprising two opposite faces and an inner pipe for circulation of a heat transfer fluid between the two surfaces. According to one aspect of the invention, the or each plate is arranged in a heat exchange compartment of the vat so that the wastewater circulates substantially vertically from bottom upwards along the two opposite faces of the or each plate between an inlet of the heat exchange compartment located in the lower portion and an outlet of the heat exchange compartment located in the upper portion. Application to thermal systems with heat pump.06-28-2012
20120312045WATER SUPPLY APPARATUS - Disclosed herein is a water supply apparatus which may include an outdoor unit installed outdoors, and a cascade unit to receive refrigerant from the outdoor unit and generate hot water of a first temperature and/or hot water of a second temperature higher than the first temperature. The water supply apparatus may generate hot water of the first temperature, hot water of the second temperature higher than the first temperature and/or cold water.12-13-2012
20120255320AIR-CONDITIONING HOT-WATER SUPPLY COMBINED SYSTEM - Provided is an air-conditioning hot-water supply combined system configured such that, in the case where all of load side units perform a cooling operation and a hot water load (heating load) is low during a cooling and heating mixed operation in a cooling cycle, an input of an air conditioning refrigerant block is reduced to increase the COP of the system. An air-conditioning hot-water supply combined system A reduces a target condensing temperature in a heat source unit in the case where a heating load in load side units and a hot water load in a hot water unit are less than a predetermined reference value in a cooling operation cycle state.10-11-2012
20120279243AIR CONDITIONING SYSTEM FOR VEHICLE - An air conditioning system for a vehicle is provided with a heat pump circulation path through which a refrigerant body is circulated through a compressor. The heat pump circulation path is provided with a condenser unit, an expansion valve, a first evaporator, a heater, and a second evaporator. The heat pump circulation path is also provided with a bypass means which, in heating operation, bypasses a main condenser for constituting the condenser unit and connects the heater and a gas-liquid separation-type refrigerant body containing section. The configuration provides effects which minimize an increase in the number of dedicated parts required only in a heating mode and which, by effectively utilizing the system in a cooling mode, prevents a reduction in the air conditioning performance caused by the shortage of the refrigerant body.11-08-2012
20120137715AIR CONDITIONING DEVICE UTILIZING TEMPERATURE DIFFERENTIATION OF EXHAUSTED GAS TO EVEN TEMPERATURE OF EXTERNAL HEAT EXCHANGER - This invention relates to an air conditioning device which regulates the temperature of an airflow exhausted from the space in a cooling/heating air conditioning object (such as inside of a room or vehicle) to the external through an external heat exchanger disposed externally for heat exchanging so as to allow the exhausted airflow to even the temperature of the fluid flowing through the heat exchanger by means of the temperature differentiation of the two fluids, thereby enhancing the efficiency of the air conditioning device while reducing the energy consumption of the air conditioning device.06-07-2012
20110146316Device and Method for an Efficient Surface Evaporation and for an Efficient Condensation - An evaporator or a condenser includes a surface on which the operating liquid is arranged. Further, turbulence generators are provided to generate turbulences in the operating liquid located on the operating surface. In the condenser, alternatively or additionally, a laminarizer is present to make the vapor stream laminar provided by the compressor. On the evaporator side, the evaporation efficiency is increased and, on the condenser side, the condenser efficiency is increased, which may be used for a substantial reduction in size without loss of power of these components, in particular for a heat pump for heating a building.06-23-2011

Patent applications in class With vapor compression system

Patent applications in all subclasses With vapor compression system