Ultra low pressure drop flow sensor

Details Ultra low pressure drop flow sensor Ultra low pressure drop flow sensor

2008-03-18

2008-03-18

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

C073S202000

Reexamination Certificate

active

07343823

ABSTRACT:
A fluid velocity sensor includes a sensor die for detecting a fluid property of a fluid flowing through a low resistance flow channel defined by a flow channel wall. One or more tap can be oriented facing into a direction of a flow stream of a fluid flowing through a flow channel defined by a channel wall, wherein the tap(s) leads to the low resistance flow channel, which directs the flow to the sensor die. At least one or more other taps can be located to face perpendicular to the direction of flow, such that the fluid after passing over the sensor die continues on a low resistance path to the other tap(s) facing perpendicular to the direction of flow in order to determine a velocity pressure based on a difference between pressures. The fluid velocity sensor can be arranged in a uni-directional or bi-directional fluid flow configuration.

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