DYNAMIC PRESSURE BEARING APPARATUS AND FAN

A dynamic pressure bearing apparatus includes a bearing portion; a shaft; a substantially annular bushing; a radial dynamic pressure bearing portion; and a seal gap. A minute horizontal gap extending radially is defined between an upper surface of the bearing portion and a lower surface of the bushi...

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Main Authors HIRONO TEIICHI, YONEDA TOMOHIRO, NODA SHINICHIRO, KIMURA AKIHIRO, HASEGAWA TOMOHIRO, SUGIYAMA TOMOTSUGU, FUJIMOTO MASAFUMI, IKEGAMI YOSHIHARU
Format Patent
LanguageEnglish
Published 29.01.2015
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A dynamic pressure bearing apparatus includes a bearing portion; a shaft; a substantially annular bushing; a radial dynamic pressure bearing portion; and a seal gap. A minute horizontal gap extending radially is defined between an upper surface of the bearing portion and a lower surface of the bushing. The seal gap is arranged to be in communication with an exterior space through the horizontal gap.
Bibliography:Application Number: US201414513612