An inner space of a housing sealed with a seal member as well as internal pores of a bearing member (pores in a porous structure) are filled with a lubricating oil without the presence of air, so that the oil surface of the lubricating oil is within a seal space. Under a reduced pressure of 100 Torr, no lubricating oil leaks outside of the housing even at any attitude of the fluid lubricated bearing device such as normal, inverted, or horizontal attitude.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a divisional application of application Ser. No. 11/854,366 filed on Sep. 12, 2007, now pending, which is a divisional application of application Ser. No. 11/326,826 filed on Jan. 6, 2006 and granted on Nov. 20, 2007 as U.S. Pat. No. 7,296,931, which is a divisional application of application Ser. No. 10/294,483 filed on Nov. 13, 2002 and granted on May 23, 2006 as Pat. No. 7,048,444, which claims the priority benefit of Japan applications Ser. No. 2001-347725, filed on Nov. 13, 2001, 2002-29520, filed on Feb. 6, 2002, 2002-35790, filed on Feb. 13, 2002, and 2002-281599, filed on Sep. 26, 2002.
Priority Data
Nov 13, 2001 [JP] 2001-347725 Feb 06, 2002 [JP] 2002-29520 Feb 13, 2002 [JP] 2002-35790 Sep 26, 2002 [JP] 2002-281599