Flow-measuring valve device and method

Details Flow-measuring valve device and method Flow-measuring valve device and method

2007-01-09

2007-01-09

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Processes

C137S012000, C137S486000, C137S487500, C073S054090, C073S054110, C138S042000, C138S046000, C251S121000

Reexamination Certificate

active

10497891

ABSTRACT:
A flow measuring valve device (1) for fluid, the flow measuring valve (1) comprising a first restriction (48) and a second restriction (76) connected in series with the first restriction (48), the flow rates of said restrictions (48, 76) being unequally dependent on the viscosity of the fluid, and a method for determining the viscosity of the fluid by means of the device.

REFERENCES:
patent: 4576043 (1986-03-01), Nguyen
patent: 4644781 (1987-02-01), Mon
patent: 4905503 (1990-03-01), Langrick
patent: 5161406 (1992-11-01), Heinonen
patent: 5533549 (1996-07-01), Sherman
patent: 5736650 (1998-04-01), Hiron et al.
patent: 6412337 (2002-07-01), Arzate et al.
patent: 0 329 354 (1989-02-01), None
patent: GB 2 263 172 (1993-07-01), None
patent: GB 2 317 019 (1998-03-01), None
patent: 623 051 (1978-05-01), None
patent: 623051 (1978-05-01), None
Norwegian Search Report for Norway Patent Application No. 2001 5979, Jul. 24, 2002.
International Search Report for Int'l Application No. PCT/NO02/00449, Mar. 7, 2003.

Affiliated with

Also associated with

Rating

Flow-measuring valve device and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Flow-measuring valve device and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flow-measuring valve device and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3757211