Fluid handling – With indicator – register – recorder – alarm or inspection means – Plural
Reexamination Certificate
2006-02-07
2006-02-07
Chambers, A. Michael (Department: 3753)
Fluid handling
With indicator, register, recorder, alarm or inspection means
Plural
C137S625300, C073S861740
Reexamination Certificate
active
06994109
ABSTRACT:
A fitting for measuring the flow rate of a hydraulic medium through a pipeline having a cylindrical fitting housing with a main flow channel includes a flow meter device with a measuring element and an indicator element. A side chamber is formed in a side connecting piece of the fitting housing. The flow meter device is arranged in the opening of the side connecting piece closing it off to the outside. In a measuring bore that forms the forward flow to the side chamber, a rebounding plate of the measuring element is arranged, which is connected by an indicator rod with an indicator of the indicator element. The main flow channel between intake bore and the outlet bore of the fitting is formed by the measuring bore that leads into the side chamber, the side chamber itself, as well as a transverse bore that adjoins the side chamber. As a result, the entire flow of the main channel runs through the side connecting piece with the measuring bore and the side chamber. This allows, by using the flow meter device located in the side connecting piece and closing it off to the outside, to simultaneously measure and regulate the flow rate in the main stream without the flow reaching the indicator element with the inspection glass and the scale.
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Birch & Stewart Kolasch & Birch, LLP
Chambers A. Michael
Watts Industries Deutschland GmbH
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