Refrigeration device using hydrofluorocarbon refrigerant

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5355695
SERIAL NO

07982884

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Abstract

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A refrigeration device comprising a compressor, a condenser, an evaporator, an accumulator and a refrigerant is described. Lubricating oil present in the compressor is chosen so as to be insoluble with the refrigerant, and a particular accumulator design is described to ensure return of oil back to the compressor.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MITSUBISHI DENKI KABUSHIKI KAISHATOKYO5793

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawaguchi, Susumu Shizuoka, JP 29 303
Konishi, Hiroshige Shizuoka, JP 9 190
Maruyama, Hitoshi Shizuoka, JP 39 463
Masuda, Noboru Shizuoka, JP 60 1222
Ogasawara, Shinobu Shizuoka, JP 5 71
Shimizu, Tatsuaki Shizuoka, JP 3 61
Sumida, Yoshihiro Hyogo, JP 29 344
Toyama, Satoru Hyogo, JP 19 104

Cited Art Landscape

Patent Info (Count) # Cites Year
 
THE DOW CHEMICAL COMPANY (1)
* 4851144 Lubricants for refrigeration compressors 100 1989
 
GENERAL ELECTRIC COMPANY (1)
* 4429544 Refrigerant storage system for a heat pump 18 1982
 
FAYTETTE TUBULAR PRODUCTS, INC. (1)
* 4675971 Desiccant assembly for refrigeration circuit and method 25 1985
 
KAO CORPORATION (1)
* 5202044 Working fluid composition for refrigerating machine 50 1991
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
* 4586351 Heat pump with multiple compressors 20 1985
 
ALLIED-SIGNAL INC. (1)
* 4755316 Refrigeration lubricants 152 1987
 
ZEXEL CORPORATION (1)
* 4715196 Oil returning mechanism of evaporator for air conditioner 13 1987
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
CARRIER CORPORATION (2)
* 5868001 Suction accumulator with oil reservoir 12 1997
* 7024883 Vapor compression systems using an accumulator to prevent over-pressurization 3 2003
 
PANASONIC CORPORATION (2)
* 9422930 Refrigerant compressor 0 2005
* 2008/0253,909 Refrigerant Compressor 1 2005
 
Calmac Manufacturing Corporation (1)
* 5452585 Circulation of oil in refrigeration systems with immiscible refrigerant-oil combinations 3 1994
 
MATSUSHITA REFRIGERATION COMPANY (1)
* 5542266 Refrigeration system with compressor using refrigeration oil insoluble in refrigerant 8 1994
 
THE LUBRIZOL CORPORATION (1)
* 6374629 Lubricant refrigerant composition for hydrofluorocarbon (HFC) refrigerants 33 1999
 
MITSUBISHI DENKI KABUSHIKI KAISHA (2)
* 5531080 Refrigerant circulating system 19 1994
* 5732568 Refrigerating cycle 1 1996
 
DAKOCYTOMATION DENMARK A/S (1)
7758809 Method and system for pretreatment of tissue slides 3 2009
 
DAKO DENMARK A/S (18)
7648678 Method and system for pretreatment of tissue slides 13 2003
8257968 Method and apparatus for automatic staining of tissue samples 9 2003
8216512 Apparatus for automated processing biological samples 1 2003
7960178 Enhanced scheduling sample processing system and methods of biological slide processing 12 2003
7400983 Information notification sample processing system and methods of biological slide processing 62 2003
9778273 Isolated communication sample processing system and methods of biological slide processing 0 2003
8298815 Systems and methods of sample processing and temperature control 7 2003
7937228 Information notification sample processing system and methods of biological slide processing 12 2008
8386195 Information notification sample processing system and methods of biological slide processing 9 2011
8394635 Enhanced scheduling sample processing system and methods of biological slide processing 12 2011
8529836 Apparatus for automated processing biological samples 4 2012
8663978 Method and apparatus for automatic staining of tissue samples 3 2012
8788217 Information notification sample processing system and methods of biological slide processing 3 2013
8673642 Enhanced scheduling sample processing system and methods of biological slide processing 5 2013
8784735 Apparatus for automated processing biological samples 0 2013
9599630 Method and apparatus for automatic staining of tissue samples 0 2014
8969086 Enhanced scheduling sample processing system and methods of biological slide processing 1 2014
9229016 Information notification sample processing system and methods of biological slide processing 0 2014
 
PRAXAIR TECHNOLOGY, INC. (1)
6330811 Compression system for cryogenic refrigeration with multicomponent refrigerant 13 2000
 
VENTANA MEDICAL SYSTEMS, INC. (9)
* 6352861 Automated biological reaction apparatus 167 1999
6943029 Automated biological reaction apparatus 129 2002
6827901 Automated biological reaction apparatus 98 2002
7270785 Automated molecular pathology apparatus having fixed slide platforms 35 2002
7303725 Automated high volume slide staining system 59 2003
7378055 Automated molecular pathology apparatus having fixed slide platforms 50 2003
7470541 Automated biological reaction apparatus 23 2004
7404927 Automated molecular pathology apparatus having fixed slide platforms 32 2005
9528918 Automated high volume slide processing system 0 2013
* Cited By Examiner