Spindle device with rotor jetting driving fluid

Details Spindle device with rotor jetting driving fluid Spindle device with rotor jetting driving fluid

2008-12-15

2011-10-18

Gushi, Ross (Department: 2833)

Rotary kinetic fluid motors or pumps

Motor runner motivated by reaction type jet discharge nozzle...

C415S110000, C060S263000

Reexamination Certificate

active

08038385

ABSTRACT:
A spindle device driven by driving fluid, having accurate rotation and superior quietness. The device includes a stator having at least one inlet for introducing the driving fluid, a rotor having at least one flange arranged outside of the stator and provided with nozzles for jetting the driving fluid, and a static-pressure fluid bearing for rotatably supporting the rotor with respect to the stator. The stator has a first inner path for conducting the driving fluid introduced from the inlet to the rotor and the rotor has a second inner path communicating with the first inner path of the stator for conducting the driving fluid to the nozzles. The driving fluid introduced from the inlet of the stator is jetted from the nozzles of the rotor through the first and second inner paths to rotate the rotor.

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Notice of Reasons for Rejection for JP2008-064216 mailed Mar. 17, 2009.
EP Search Report for EP08106002.2 dated Apr. 21, 2009.

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