Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Patent
1978-01-11
1980-10-21
Cline, William R.
Fluid handling
Processes
With control of flow by a condition or characteristic of a...
137 98, 137 3, 73204, G05D 1113
Patent
active
042288150
ABSTRACT:
The method is based on the fact that the particular components are conveyed through separate pipes into a mixing chamber. By measuring the transit time in at least one of the pipes the flowrate can be measured. The flow in the other pipes which is in a fixed ratio to the first flow is then adjusted automatically. For measuring the transit time a heat pulse is injected in at least one of the pipes and the transit time of the heat impulse is measured. The so-measured transit time is converted into an inversely proportional voltage and the flowrate in the other pipes is adjusted proportionally to this voltage. An apparatus is provided for practicing the method. The apparatus comprises flow measuring elements which are electrical connected to control devices which operate flow control devices in the pipes leading to the mixing chamber.
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Juffa Richard
Uerdingen Walter
Wawra Georg
Bayer Aktiengesellschaft
Cline William R.
Harsh Gene
Pope Lawrence S.
Spiegel H. Jay
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