Tilting pad journal bearing
AssigneeKobe Steel, Ltd.
InventorHirotoshi Arihara
Life of this patent
Estimating the term…
Abstract
On a facing surface (12a) of a pad (12) that faces a rotation shaft, an oil supply unit (24) is provided in an end region downstream of the rotation shaft in the rotation direction, and the oil supply unit (24) is formed along part of an isopleth of the pressure distribution on the facing surface (12a) generated by a lubricant being caught between the rotation shaft and the facing surface (12a), said part of the isopleth being downstream, in the rotation direction, of the pressure maximum of the pressure distribution.
Claims15
A tilting pad journal bearing which supports a rotary shaft by a plurality of pads arranged around the rotary shaft so that the rotary shaft is rotatable,
- wherein an oil supply unit is provided in a portion of an opposite surface of at least one of the plurality of pads opposite the rotary shaft, the portion being located at a downstream end in a rotation direction of the rotary shaft, and
- the oil supply unit is formed along a portion of an isopleth of the distribution of pressure generated on the opposite surface by a lubricant caught between the rotary shaft and the opposite surface, the portion of the isopleth being located downstream of a maximum pressure point of the distribution of pressure in the rotation direction.
A tilting pad journal bearing which supports a rotary shaft by a plurality of pads arranged around the rotary shaft so that the rotary shaft is rotatable,
- wherein an oil supply unit is provided in a portion of an opposite surface of at least one of the plurality of pads opposite the rotary shaft, the portion being located at a downstream end in a rotation direction of the rotary shaft, and
- the oil supply unit is formed along a portion of an isopleth of the distribution of pressure generated on the opposite surface by a lubricant caught between the rotary shaft and the opposite surface, the oil supply unit in its entirety being located only downstream of a maximum pressure point of the distribution of pressure in the rotation direction.
Dependencies are inferred from the claim text.