Claims
- 1. A compressor used in a refrigerating or air-conditioning system, using chlorine-free hydrofluorocarbon as the refrigerant either alone or in mixture, and packing an enclosed container with refrigerating machine oil compatible with the refrigerant, wherein a motor and a compressing mechanism are disposed in the enclosed container, the compressing mechanism includes a rotary shaft for transmitting rotation of the motor, an oil feed pump is provided in the rotary shaft, a communication hole for feeding refrigerating machine oil is formed in the rotary shaft, a passage having one end in contact with and extending downward from the communication hole is provided in the rotary shaft, the passage and the communication hole meeting at about a 45° angle to each other, and the other end of the passage is closed.
Priority Claims (1)
Number |
Date |
Country |
Kind |
8-53908 |
Feb 1996 |
JP |
|
Parent Case Info
This is a Division of application Ser. No. 09/842,775 filed Apr. 27, 2001 now U.S. Pat. No. 6,450,790, which in turn is a division of Ser. No. 09/564,647 filed May 3, 2000, now U.S. Pat. No. 6,250,898 issued Jun. 26, 2001 which in turn is a division of Ser. No. 09/201,880 filed Nov. 30, 1998 now abandoned which in turn is a division of Ser. No. 08/802,533 filed Feb. 18, 1997, now U.S. Pat. No. 5,865,607 issued Feb. 2, 1999.
US Referenced Citations (12)
Foreign Referenced Citations (6)
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345233 |
Dec 1921 |
DE |
373661 |
Jun 1932 |
GB |
52-61811 |
May 1977 |
JP |
62-129584 |
Jun 1987 |
JP |
62-142888 |
Jun 1987 |
JP |
4-203491 |
Jul 1992 |
JP |