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Patent Searching and Data


Title:
SLIDING MECHANISM
Document Type and Number:
Japanese Patent JP2011137495
Kind Code:
A
Abstract:

To provide a sliding mechanism preventing seizure over a long time.

The sliding mechanism includes a valve element 10, a valve body 3 having a valve element supporting hole 5 slidably supporting the valve element 10, and a multilayered film 20 formed in the multilayer on an outer surface of the valve element 10 of an inner surface of the valve element supporting hole 5 and the outer surface of the valve element 10 and having the hard layer harder than the others as the outermost surface layer 20a. A thickness t of the multilayered film 20 is larger than a maximum outside diameter L2 of maximum foreign matter 30a of foreign matter 30 capable of entering a gap 21 between the multilayered film 20 and the other.


Inventors:
Tsuru, Nobuyuki
Application Number:
JP2009000296864
Publication Date:
July 14, 2011
Filing Date:
December 28, 2009
Export Citation:
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Assignee:
NABTESCO CORP
International Classes:
F16K31/06; F02B47/02; F02M25/022; B05B1/30
Domestic Patent References:
JPS5633471A1981-04-03
JPH05179451A1993-07-20
Attorney, Agent or Firm:
小谷 悦司
小谷 昌崇
玉串 幸久