Patents by Inventor Masanori Iwadou

Masanori Iwadou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reciprocating piston type compressor improved to distribute lubricating oil sufficiently during the starting phase of its operation
    Patent number: 5772407
    Abstract: A reciprocating piston type compressor for compressing refrigerant gas includes a plurality of pistons slidably provided within cylinder bores for reciprocation. A pair of housings are mounted to the either ends of the cylinder block with valve plates therebetween. The housings include at least a refrigerant gas suction chamber which is fluidly connected to the cylinder bores. An oil sump is provided for containing lubricating oil. An oil pump is provided for distributing the lubricating oil to the compressor elements. The oil pump includes oil suction which is fluidly connected to the oil sump through a oil suction passage. The pressure in the refrigerant gas suction chamber is introduced into the oil suction chamber to direct the lubricating oil into the oil suction chamber from the oil sump during the initial stage of the starting of the compressor.
    Type: Grant
    Filed: April 23, 1996
    Date of Patent: June 30, 1998
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Ryo Kato, Atsushi Fukaya, Naoya Yokomachi, Masanori Iwadou