Assignee: Emerson Climate Technologies, Inc.

Location: Sidney, OH
No. of patents: 108

Number	Title	Issue Date
8181478	Refrigeration system A refrigeration system can incorporate a liquid-injection system that can provide a cooling liquid to an intermediate-pressure location of the compressor. The cooling liquid can absorb the heat of compression during the compression of the refrigerant flowing thereth...	05/22/2012
8160827	Compressor sensor module A sensor module for a compressor, having an electric motor operating at a first voltage, the sensor module operating at a second voltage, is provided. The sensor module includes a plurality of inputs connected to a plurality of sensors that generate a plurality of o...	04/17/2012
8157538	Capacity modulation system for compressor and method An apparatus is provided and may include a compression mechanism, a valve plate associated with the compression mechanism and having at least one port in fluid communication with the compression mechanism, and a manifold disposed adjacent to the valve plate. A cylin...	04/17/2012
8156751	Control and protection system for a variable capacity compressor A system includes a power source, a compressor that operates in a reduced-capacity mode and a full-capacity mode, and an actuation assembly that modulates the compressor between the reduced-capacity mode and the full-capacity mode. A controller reduces the power sou...	04/17/2012
8118563	Tandem compressor system and method A compressor system including a first compressor and a second compressor. The first and second compressors each include a shell, a compression mechanism disposed within the shell, and a drive member adapted to drive the compression mechanism. A discharge tube assemb...	02/21/2012
8107204	Three-phase detection module An apparatus includes a first optocoupler and a control module. The first optocoupler selectively allows a first current to flow from a first one of a first pair of N power supply lines to a second one of the first pair. N is an integer greater than two. The N power...	01/31/2012
8057194	Compressor with discharge muffler attachment using a spacer A muffler that is externally mounted to a housing shell of a compressor. To externally mount the muffler to the housing shell and prevent unnecessary vibration of the muffler during compressor operation, an attachment device connects an essentially central portion o...	11/15/2011
8052406	Scroll machine having improved discharge valve assembly A valve retainer is provided for securably retaining a discharge valve assembly within a recess formed in a scroll. The valve retainer can be installed between the recess of the non-orbital scroll and the discharge valve assembly to retain the discharge valve assemb...	11/08/2011
8045302	Compressor protection and grid fault detection device A compressor monitoring system includes current and voltage monitors, current and voltage averaging modules, a control module, and a switch. The current monitor measures a current drawn by a motor of a compressor. The current averaging module generates first and sec...	10/25/2011
8043078	Compressor sealing arrangement A compressor may include a shell, first and second scroll members, a partition and a first annular seal. The partition may be fixed to the shell and may overly the first scroll member. The partition may include first and second sides having a second discharge openin...	10/25/2011
8037710	Compressor with vapor injection system A heat pump system includes a first heat exchanger, a second heat exchanger in fluid communication with the first heat exchanger, a scroll compressor in fluid communication with each of the first and second heat exchangers, and a flash tank in fluid communication wi...	10/18/2011
8036853	Compressor memory system and method A compressor memory system includes a compressor with a first non-volatile memory connected to a module. The module has a processor and a second non-volatile memory. The first non-volatile memory is associated with the compressor. The module is selectively attached ...	10/11/2011
8033803	Compressor having improved sealing assembly A compressor may include a shell, a bearing housing assembly located within and secured to the shell, a compression mechanism supported on the bearing housing assembly, a partition extending over the compression mechanism, and an annular seal assembly. The partition...	10/11/2011
8025492	Scroll machine A compressor may include a shell, a compression mechanism, and a seal assembly. The shell may define a first discharge passage. The compression mechanism may be supported within the shell and may include first and second scroll members. The first scroll member may i...	09/27/2011
8020402	Flash tank design and control for heat pumps A heat pump system of the type which re-circulates refrigerant through a fluid circuit between a first heat exchanger and a second heat exchanger includes a compressor coupled to the fluid circuit and a vapor injection system including a vessel fluidly coupled to th...	09/20/2011
8007261	Thermally compensated scroll machine The scroll machine has a first and a second scroll member each having intermeshed scroll wraps. A compensation member is attached to one of the scrolls. As the scroll machine warms to operating temperature, the compensation member exerts a force on the one scroll me...	08/30/2011
8002528	Compressor assembly having vibration attenuating structure A compressor includes a shell, a compression mechanism, a motor, a base member, and a mounting foot. The compression mechanism is disposed within the shell and the motor is drivingly engaged with the compression mechanism. The base member is coupled to the shell and...	08/23/2011
7997883	Scroll compressor with scroll deflection compensation A scroll compressor may incorporate controlled bending of a scroll member to compensate for axial deformations that can occur between the scroll members. The controlled bending may be through the use of fluid pressure in a sealed chamber that communicates with a sur...	08/16/2011
7988434	Compressor having capacity modulation system A compressor may include a housing and first and second scroll members supported within the housing, each having an end plate with a spiral wrap extending therefrom and meshingly engaged with the other to form a series of compression pockets operating at an intermed...	08/02/2011
7988433	Compressor having capacity modulation assembly A compressor may include a shell assembly defining suction and discharge pressure regions, first and second scroll members disposed within the shell assembly, and a capacity modulation assembly. The first scroll member may include a first end plate defining a discha...	08/02/2011
7980085	Compressor diagnostic system A system is provided and may include logic circuitry in communication with an intelligent device. The logic circuitry may process a refrigeration system operating parameter as a function of time and at least one of the logic circuitry and the intelligent device may ...	07/19/2011
7976296	Scroll compressor having capacity modulation system A compressor may include a housing, orbiting and non-orbiting scroll members, a first porting, and a second porting. The first and second porting may each extend through the end plate of the non-orbiting scroll member and may each have an angular extent of at least ...	07/12/2011
7976295	Compressor having capacity modulation system A compressor includes a housing, a first scroll member supported within the housing and having a first end plate with a discharge passage, and a second scroll member supported within the housing and having a second end plate with a second spiral wrap extending there...	07/12/2011
7972125	Compressor having output adjustment assembly including piston actuation A compressor may include a housing, first and second scroll members, and a compressor output adjustment assembly. The first scroll member may define a first chamber having first and second passages in communication therewith, a second chamber having third and fourth...	07/05/2011
7967584	Scroll machine using floating seal with backer A floating seal has a lower plate, an upper plate and a pair of seals disposed between the two plates. The lower plate, the upper plate or both plates include a backer which projects outward from the plate to engage one or both of the seals to support the seal durin...	06/28/2011
7967583	Compressor having capacity modulation system A compressor includes orbiting and non-orbiting scroll members meshingly engaged to form a series of compression pockets, including first pockets when the orbiting scroll member is in a first position. A first porting in the non-orbiting scroll member communicates w...	06/28/2011
7967582	Compressor having capacity modulation system A compressor includes a first porting extending through an end plate of an orbiting scroll member at an angular extent of at least twenty degrees and first and second spiral wraps defining modulated capacity pockets when the orbiting scroll is in a first position. T...	06/28/2011
7963752	Powder metal scroll hub joint A scroll component including a spiral scroll wrap, a baseplate having a first major surface coupled to the scroll wrap and a second opposing major surface comprising a protruding pilot extending a distance from the baseplate, and a hub fastened to the baseplate adja...	06/21/2011
7959421	Compressor having a shutdown valve A compressor includes a shell, a compression mechanism supported within a suction pressure region of the shell and including a discharge outlet in communication with the discharge chamber, and a discharge valve assembly. The discharge valve assembly includes a valve...	06/14/2011
RE42371	Scroll machine A compressor includes a normally open discharge valve assembly for controlling compressed refrigerant flow from the discharge chamber through the compression members. This controlling of flow results in an increased performance for the compressor by reducing recompr...	05/17/2011
7934914	Scroll machine having counterweights with changeable cavity A balancing system for different compressors utilizes a counterweight having a common exterior configuration. The mass of the counterweight is optimized for each compressor by changing the size of a recess located in the counterweight. In one embodiment, the recess ...	05/03/2011
7914268	Compressor having shell with alignment features A compressor includes a shell formed from a piece of material having first, second, third, and fourth ends. The third and fourth ends extend between the first and second ends and are coupled to one another. The first and second ends form longitudinal ends of the she...	03/29/2011
7908126	Cooling system design simulator A method of computer-based simulation of a cooling system includes receiving configuration data for a heat exchanger of the cooling system, customizing the configuration data for the heat exchanger; simulating cooling system performance by processing the customized ...	03/15/2011
7905098	Compressor diagnostic and protection system and method A system and method includes a compressor operable in a refrigeration circuit and including a motor, a current sensor providing a high-side signal indicative of an operating condition of a high-pressure side of the refrigeration circuit, a discharge line temperature...	03/15/2011
7896629	Scroll compressor with discharge valve A scroll compressor includes an orbiting scroll member having an orbiting end plate defining a discharge port and an orbiting spiral wrap extending from the orbiting end plate. The compressor also includes a non-orbiting scroll member having a non-orbiting end plate...	03/01/2011
7895003	Vibration protection in a variable speed compressor Vibration protection in a compressor system with a variable speed compressor may include operating a variable speed compressor at a plurality of frequencies, measuring a plurality of vibration values associated with the plurality of frequencies, determining a freque...	02/22/2011
7845918	Powder metal scrolls Scrolls made from one or more near-net shaped powder metal processes either wholly or fabricated together from sections. Both “conventional” press and sinter methods and metal injection molding methods will be described. ...	12/07/2010
7878776	Thermally compensated scroll machine The scroll machine has a first and a second scroll member each having intermeshed scroll wraps. A compensation member is attached to one of the scrolls. As the scroll machine warms to operating temperature, the compensation member exerts a force on the one scroll me...	02/01/2011
7878014	Parallel condensing unit control system and method A refrigeration system comprises a plurality of compressors and a plurality of condensing units comprising a first condensing unit having a first control module and at least one additional condensing unit having an additional control module. Each condensing unit has...	02/01/2011
7878006	Compressor diagnostic and protection system and method A system and method includes a compressor operable in a refrigeration circuit and including a motor, a current sensor detecting current supplied to the motor, a discharge line temperature sensor detecting discharge line temperature of the compressor, and processing ...	02/01/2011

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Assignee: Emerson Climate Technologies, Inc.