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Title:
NOZZLE-TYPE STEAM TRAP
Document Type and Number:
WIPO Patent Application WO/2017/175744
Kind Code:
A1
Abstract:
To provide a nozzle-type steam trap equipped with venturi nozzles, orifice nozzles, or tunnel structure resistance nozzles, wherein the outflow of steam is minimized even in response to a fluctuation in the pressure difference between a drain inlet and a drain outlet of each of the nozzles, the steam trap is compatible with any usage environment, and maintenance and inspection are facilitated. This nozzle-type steam trap, provided with venturi nozzles, orifice nozzles, or tunnel structure resistance nozzles, is characterized in being provided with a nozzle-sealing means for sealing the nozzles using a drain. This nozzle-type steam trap is further characterized in that a plurality of steam inflow ports and drain outflow ports are installed, and a closure means for determining the passage of steam and drain is provided to a selected steam inflow port and drain outflow port. Further preferably, these steam traps have a swirl flow formation means provided near a nozzle.

Inventors:
KATSURA,Tsutomu (Grand Maison Shinjuku-higashi 204, 29-5, Shinjuku 1-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
MASUTANI,Tomohiro (Grand Maison Shinjuku-higashi 204, 29-5, Shinjuku 1-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
Application Number:
JP2017/014029
Publication Date:
October 12, 2017
Filing Date:
April 04, 2017
Export Citation:
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Assignee:
ECO FIRST CO., LTD. (Grand Maison Shinjuku-higashi 204, 29-5 Shinjuku 1-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
International Classes:
F16T1/00; F16T1/34
Domestic Patent References:
WO2015016298A12015-02-05
Foreign References:
JP3194719U2014-12-11
JP2006515050A2006-05-18
US5429150A1995-07-04
JP2004162866A2004-06-10
JP2004190827A2004-07-08
JP2008309290A2008-12-25
US4745943A1988-05-24
US5628339A1997-05-13
US5948128A1999-09-07
Attorney, Agent or Firm:
TOMONO, Eizo (2-2-2-7B Nakacho, Musashino-shi Tokyo, 06, 〒1800006, JP)
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