159549 ⎘
Sensing or detecting of parameters; Sensors therefor Oil level
MOTOR COOLING SYSTEM
#2METHOD FOR MANAGING OIL IN A MULTI-COMPRESSOR REFRIGERATION SYSTEM AND MULTI-COMPRESSOR REFRIGERATION SYSTEM HAVING A COMMON OIL EQUALIZATION LINE PROVIDED WITH AN OIL PUMPING DEVICE
#3Refrigeration System with Efficient Expansion Device Control, Liquid Refrigerant Return, Oil Return, and Evaporator Defrost
#4SMART ACCUMULATOR WITH OIL CIRCULATION RATIO SENSING
#5Cooling system with oil return to accumulator
#6Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrost
#7Compression apparatus
#8REFRIGERATION APPARATUS
#9Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrost
#10Oil supply system for compressor
#11Smart accumulator with oil circulation ratio sensing
#12Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrost
#13Cooling system with oil return to accumulator
#14VRV oil return control method and system
#15Refrigeration cycle apparatus
#16Refrigeration apparatus
#17Refrigerating cycle apparatus
#18Compressor with oil equalizing pipe, parallel compressor set, and oil equalizing method
#19Multi-split system and method and apparatus for adjusting oil volume of compressor of multi-split system
#20OIL DISTRIBUTING DEVICE AND REFRIGERATION SYSTEM HAVING THE OIL DISTRIBUTING DEVICE
#21Systems and methods for optical detection of refrigeration system abnormalities
#22Refrigeration cycle apparatus
#23REFRIGERATION CYCLE APPARATUS
#24Vapor compression system with refrigerant-lubricated compressor
#25Refrigeration cycle apparatus
#26Oil flow switch and lubrication system with the same for a refrigeration system
#27Refrigeration system, failure diagnostic system thereof, failure diagnostic method, controller and storage medium
#28Accumulator and oil separator
#29Air-conditioning apparatus with return oil flow controlled through solenoid valves
#30Method and Apparatus Taking into Account the Influence of Oil in an Air-Conditioning/Refrigeration Circuit
#31Refrigeration cycle apparatus with oil separator switching valve
#32Air conditioning device
#33Apparatus and method for indicating status of multi-phase vacuum-assisted recovery of refrigerant
#34Apparatus and method for a multi-phase vacuum-assisted recovery of refrigerant
#35Preheater for compressor
#36Refrigerant compressor
#37Compressor having oil-level sensing system
#38System for managing lubricant levels in tandem compressor assemblies of an HVAC system
#39Cascade refrigeration system with modular ammonia chiller units
#40Compressor having oil-level sensing system
#41Compressor having lubricant management system for bearing life
#42System including high-side and low-side compressors
#43Compressor assembly with liquid sensor
#44Compressor assembly with liquid sensor
#45Refrigeration circuit with oil separation
#46Oil level detection device, and refrigerating and air-conditioning apparatus having mounted thereon the oil level detection device
#47System for managing lubricant levels in tandem compressor assemblies of an HVAC system
#48System for managing lubricant levels in tandem compressor assemblies of an HVAC system
#49Air conditioner
#50Liquid level indicator, turbo compressor, and turbo refrigerator
#51Air conditioner with oil separators and method for controlling the same
#52Compressor and oil amount management system for compressor
#53Refrigerating cycle apparatus and method for operating the same
#54Air-conditioning apparatus
#55Outdoor unit and air-conditioning apparatus
#56Oil separator and refrigeration cycle apparatus
#57Compression device and a thermodynamic system comprising such a compression device
#58Oil level indicator for a screw-type compressor
#59Refrigerating cycle apparatus and method for operating the same
#60AIR CONDITIONER
#61Oil separator and refrigerating cycle apparatus using the same
#62Air-conditioning apparatus utilizing compressor preheating
#63AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME
#64REFRIGERATION CYCLE APPARATUS
#65Passive oil level limiter
#66System and method for monitoring and controlling oil return to compressor
#67Refrigerating apparatus
#68Oil circulation observer for HVAC systems
#69Method and apparatus for optimizing refrigeration systems
#70Refrigerating apparatus
#71Refrigeration system
#72Refrigerating apparatus
#73AIR CONDITIONER AND CONTROL METHOD THEREOF
#74Method and apparatus for optimizing refrigeration systems
#75Refrigeration system and method of operating the same
#76Oil checking device for compressor of air conditioning system
#77Refrigeration system and method of operating the same
#78Compressor oil recovering apparatus and multi-unit air conditioner equiped with the same
#79Air conditioner and method for performing oil equalizing operation in the air conditioner
#80Refrigeration system and method of operating the same
#81Refrigeration system and method of operating the same
#82Oil circulation observer for HVAC systems
#83Compressor oil removal in ammonia refrigeration system
#84Method and apparatus for measuring and improving efficiency in refrigeration systems