Title:
調整器による流量測定装置及びその方法
Document Type and Number:
Japanese Patent JP4897894
Kind Code:
B2
Abstract:
Apparatus for determining fluid flow through a pressure regulator is disclosed. The pressure regulator is disposed in a fluid flow passage and has a throttling element moveable in the flow passage. A stem is attached to the throttling element. The apparatus includes a first pressure sensor for measuring pressure upstream of the throttling element, a second pressure sensor for measuring pressure downstream of the throttling element, and a travel sensor for detecting the position of the throttling element. A processor is provided which includes a stored algorithm for determining flow rate based on the measured pressure and travel values.
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Inventors:
Adams, Paul Earl.
Woollams, David E.
Milliken, John Bee.
Woollams, David E.
Milliken, John Bee.
Application Number:
JP2010000764A
Publication Date:
March 14, 2012
Filing Date:
January 05, 2010
Export Citation:
Assignee:
Fisher Controls International Limited Liability Company
International Classes:
G01L13/00; G05D7/06; F17D5/06; G01F1/00; G01F1/36; G01F1/38; G01F1/40; G01F1/42; G01F15/02; G05B23/02; G05D16/06; G05D16/20
Domestic Patent References:
| JP61136113A | ||||
| JP63316111A | ||||
| JP3103682A | ||||
| JP96427A | ||||
| JP11282543A |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office