ClassID:

159514

F25B2600/0253 - page 3 - CPC Classification

Classification description:

Control issues; Compressor control by controlling speed with variable speed

Recent Application in this class:
#601
20070130973
2007-06-14

Refrigerant system with multi-speed scroll compressor and economizer circuit

#602
20070125104
2007-06-07

Compressor system for vending devices and the like

#603
20070032909
2007-02-08

System and method for compressor capacity modulation

#604
20070012055
2007-01-18

Electronic refrigeration control system including a variable speed compressor

#605
20070012054
2007-01-18

Electronic refrigeration control system

#606
20070000266
2007-01-04

Method and system for controlling a compressor for an HVAC module

#607
20070000265
2007-01-04

Method and system for cooling a work machine compartment

#608
20060272342
2006-12-07

Refrigeration system with parallel evaporators and variable speed compressor

#609
20060266074
2006-11-30

Heat pump system with multi-stage compression

#610
20060260334
2006-11-23

Thermostat and method for operating in either a normal or dehumidification mode

#611
20060248907
2006-11-09

DC-powered HVAC system

#612
20060236708
2006-10-26

Refrigeration cycle device for vehicle

#613
20060218948
2006-10-05

Cooling and heating system

#614
20060218944
2006-10-05

Heating, ventilation and air conditioning (HVAC) system and method using feedback linearization

#615
20060198744
2006-09-07

Skipping frequencies for variable speed controls

#616
20060179859
2006-08-17

Motor controlling device, compressor, air conditioner and refrigerator

#617
20060168986
2006-08-03

Beverage supply device

#618
20060151164
2006-07-13

Vehicle air conditioning and heating method providing engine on and engine off operation

#619
20060151163
2006-07-13

Vehicle air conditioning and heating method providing engine on and engine off operation

#620
20060123803
2006-06-15

Method for controlling multi-type air conditioner

#621
20060117770
2006-06-08

Multi-air condition system and method for controlling the same

#622
20060112702
2006-06-01

Energy efficient capacity control for an air conditioning system

#623
20060102333
2006-05-18

Vehicle air conditioning and heating method providing engine on and engine off operation

#624
20060089734
2006-04-27

Methods and systems for modifying the operation of a compressor via a portable memory device

#625
20060086110
2006-04-27

Method and apparatus for control of carbon dioxide gas cooler pressure by use of a two-stage compressor

#626
20060059945
2006-03-23

Method for single-phase supercritical carbon dioxide cooling

#627
20060032255
2006-02-16

Apparatus for controlling operation of air conditioner

#628
20050284166
2005-12-29

Apparatus to use vapor compression refrigeration in a mobile computing device

#629
20050268631
2005-12-08

Apparatus for driving a compressor and a refrigerating air conditioner

#630
20050257543
2005-11-24

Energy efficient capacity control for an air conditioning system

#631
20050252226
2005-11-17

Heating/cooling system

#632
20050244277
2005-11-03

Fixed and variable compressor system capacity control

#633
20050229622
2005-10-20

Refrigeration system and method for beverage dispenser

#634
20050210901
2005-09-29

Distributed cooling system

#635
20050210897
2005-09-29

Vehicular air-conditioner

#636
20050198981
2005-09-15

System and apparatus controlling a variable speed compressor system

#637
20050188708
2005-09-01

System and method for variable speed operation of a screw compressor

#638
20050178150
2005-08-18

Ejector cycle having multiple evaporators

#639
20050178134
2005-08-18

Method and installation for controlling at least one cryogenic centrifugal compressor compression line

#640
20050161211
2005-07-28

Vehicle air conditioning and heating system providing engine on and engine off operation

#641
20050160750
2005-07-28

Automatic start/stop sequencing controls for a steam turbine powered chiller unit

#642
20050160749
2005-07-28

Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit

#643
20050160748
2005-07-28

Integrated adaptive capacity control for a steam turbine powered chiller unit

#644
20050160747
2005-07-28

Operation control device for cooling apparatus

#645
20050155370
2005-07-21

Method for the storage of deep-frozen goods

#646
20050150969
2005-07-14

Heat pump type water heater

#647
20050144965
2005-07-07

Turbo chiller, compressor therefor, and control method therefor

#648
20050126204
2005-06-16

Air-cycle air conditioning system for commercial refrigeration

#649
20050115257
2005-06-02

System and method for cooling multiple logic modules

#650
20050086957
2005-04-28

Refrigerant cycle with operating range extension

#651
20050086955
2005-04-28

Reduced energy refrigerator defrost method and apparatus

#652
20050086952
2005-04-28

Refrigerator-freezer controller of refrigenator-freezer, and method for determination of leakage of refrigerant

#653
20050044866
2005-03-03

Boosted air source heat pump

#654
20050028551
2005-02-10

Heating/cooling system for indwelling heat exchange catheter

#655
20050022544
2005-02-03

Method for controlling operation of air conditioning system

#656
15334101
2019-02-12

Multi-stage compressor with variable speed drive and method of use