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Oil bearing with drain system, gas turbine comprising such an oil bearing

  • US 10,138,813 B2
  • Filed: 07/07/2014
  • Issued: 11/27/2018
  • Est. Priority Date: 09/30/2013
  • Status: Active Grant
First Claim
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1. An oil bearing (OB) to support a rotor of a turbine, wherein said rotor extends along a rotor axis coinciding with a bearing axis (x), comprising:

  • at least one oil bearing pad (BP) being lubricated by oil,an oil sump (OS) suitable and located to collect said oil from said at least one oil bearing pad (BP) by forces of gravity,a drain system of said oil sump (OS) adapted to conduct said oil away from said oil sump (OS),wherein said drain system comprises at least three drain openings (OP1, OP2, OP3) of said oil sump (OS), comprisinga first drain opening (OP1) joining a first drain line (ODL) located between 4 o′

    clock and 5 o′

    clock according to said bearing axis (x),a second drain opening (OP2) joining a second drain line (ODL) located between 5;

    30 and 6;

    30 o′

    clock,a third drain opening (OP3) joining a third drain line (ODL) located between 7 o′

    clock and 8 o′

    clock,wherein the clock positions refer to positions of the respective opening as seen when looking along the bearing axis with an upper-most position being a twelve o′

    clock position.

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