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Lung-Tsai Chang

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  • Hsinchu city, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Backpressure mechanism of scroll type compressor
    • Patent number 7,029,251
    • Issue date Apr 18, 2006
    • Rechi Precision Co., Ltd.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor check valve
    • Patent number 6,848,893
    • Issue date Feb 1, 2005
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vortex compressor
    • Patent number 6,814,554
    • Issue date Nov 9, 2004
    • Rechi Precision Co., Ltd.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor ring having a lubricant gap
    • Patent number 6,796,779
    • Issue date Sep 28, 2004
    • Rechi Precision Co., Ltd.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Structure of check valve with silencing cover
    • Patent number 6,739,847
    • Issue date May 25, 2004
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubricant filling device for scroll compressor
    • Patent number 6,672,852
    • Issue date Jan 6, 2004
    • Rechi Precision Co., Ltd.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor fixed turbine assembly structure
    • Patent number 6,565,338
    • Issue date May 20, 2003
    • Rechi Precision Co., Ltd.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor sealing unit structure
    • Patent number 6,537,044
    • Issue date Mar 25, 2003
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil passage for scroll compressor
    • Patent number 6,413,060
    • Issue date Jul 2, 2002
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Venting passage for isolation block of scroll compressor and check...
    • Patent number 6,390,792
    • Issue date May 21, 2002
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Balancing structure of axial submission device for scroll compressor
    • Patent number 6,257,852
    • Issue date Jul 10, 2001
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modified positioning mechanism for stationary scroll of scroll comp...
    • Patent number 6,241,495
    • Issue date Jun 5, 2001
    • Rechi Precision Co., Ltd.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft assembly mechanism for scroll compressor
    • Patent number 6,193,489
    • Issue date Feb 27, 2001
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High-low pressure chamber sealing arrangement of a volute compressor
    • Patent number 6,059,549
    • Issue date May 9, 2000
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Volute compressor
    • Patent number 6,039,549
    • Issue date Mar 21, 2000
    • Rechi Precision Co., Ltd.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL-TYPE COMPRESSOR ASSEMBLY MEANS
    • Publication number 20060140807
    • Publication date Jun 29, 2006
    • RECHI PRECISION CO., LTD.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Backpressure mechanism of scroll type compressor
    • Publication number 20050265880
    • Publication date Dec 1, 2005
    • RECHI PRECISION CO., LTD.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor pumping structure
    • Publication number 20050019194
    • Publication date Jan 27, 2005
    • RECHI PRECISION CO., LTD.
    • Guang-Der Tarng
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL COMPRESSOR RING HAVING A LUBRICANT GAP
    • Publication number 20040208767
    • Publication date Oct 21, 2004
    • RECHI PRECISION CO., LTD.
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor check valve
    • Publication number 20040136851
    • Publication date Jul 15, 2004
    • RECHI PRECISION CO., LTD.
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR FIXED TURBINE ASSEMBLY STRUCTURE
    • Publication number 20030095884
    • Publication date May 22, 2003
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR SEALING UNIT STRUCTURE
    • Publication number 20030031575
    • Publication date Feb 13, 2003
    • Lung-Tsai Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PASSAGE FOR SCROLL COMPRESSOR
    • Publication number 20020098103
    • Publication date Jul 25, 2002
    • Guang-Der Tarng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...