LUBRICATING OIL SUPPLYING UNIT AND BEARING DEVICE

WIPO Patent Application WO/2017/098860

A1

Provided are a lubricating oil supplying unit and bearing device that can be operated stably for an extended time. A lubricating oil supplying unit comprises a holding unit (lubricating oil tank (30)) that holds lubricating oil to be supplied to the interior of a bearing (11), and a supplying unit (drive circuit (28), pump (29), delivery tube (32), and nozzle (37)) to supply the lubricating oil from the holding unit to the interior of the bearing. The supplying unit comprises: the pump that draws the lubricating oil from the holding unit and that is provided to allow a delivery pressure that is equal to or greater than a reference value to be applied to the lubricating oil; a supply line (delivery tube and nozzle) that is connected to the pump and that extends into the bearing; and a regulating unit (check valve (80)) that causes the lubricating oil to which a delivery pressure equal to or greater than the reference value is applied to circulate in the supply line and that prevents lubricating oil to which a delivery pressure less than the reference value is applied from circulating in the supply line.

WO/2012/038667	SYSTEM FOR PRESSURISING THE BEARING CHAMBERS OF TURBINE ENGINES MACHINES USING AIR TAKEN FROM THE INTAKE DUCT
JP2016023757	ROLLING BEARING DEVICE AND OIL SUPPLY UNIT

ITO HIROYOSHI (JP)

PCT/JP2016/083566

June 15, 2017

November 11, 2016

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NTN TOYO BEARING CO LTD (JP)

F16N7/38; F16C19/52; F16C33/66; F16C41/00; F16N9/02; F16N13/20

JP2014031810A	2014-02-20
JP2013104529A	2013-05-30

FUKAMI PATENT OFFICE, P.C. (JP)

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