Cdi Meters, Inc.

Other

Conservation Devices, Inc.

Roger E Dennison

Emily B Schaefer

Christopher Corsino

A vortex flowmeter configured for ease of installation in a pipe, having a piezoelectric vortex-sensing element located within its shedder bar and mounted in a removable capsule.

Sensing element for a vortex flowmeter

A flowmeter of the thermal type, having a heated flow-sensing probe and a temperature-sensing reference probe, in which the flow is passed through nozzles to form two jets and those jets are directed at the heated portion of the heated probe and the temperature-sensing portion of the reference probe, while flow around the supporting portion of the heated probe is minimized. Such a flowmeter allows low gas flows to be measured without the use of capillary elements that are subject to plugging and can create unwanted pressure drops.

Thermal flowmeter

A flowmeter of the thermal type, having a heated flow-sensing element and a temperature-sensing reference element, the elements constructed and arranged to be installed in a pressurized pipe. The flowmeter has one probe with the heated element and a separate second probe with the reference element. The probes are constructed and arranged to pass through the pipe wall in separate through-holes. There is a mounting structure such as a split ring that is adapted to be mounted to the pipe. Two valves operatively coupled to separate locations of the mounting structure, where one probe passes through each valve and into the pipe.

Thermal-type flowmeter having separate probe mounting arrangement, a mechanical mounting structure, and valves for each probe

A flowmeter which clamps around and seals to a pipe with probes projecting into the pipe through holes in the pipe, the useful separation of the probes being achieved by their entering the pipe through separate holes.

Flowmeter for compressed-air distribution systems

Methods of maintaining a record of a samples of a time-dependent variable in a computer memory whereby any period of time extending backward from the present, having a duration between a pre-determined minimum and a pre-determined maximum, is represented by samples whose spacing is short in relation to the duration of the time period represented.

Process-loop monitor system and method

A leak detector is proposed for fluid systems serving intermittent loads. The device generates a signal representative of the minimum level of flow occurring from time to time, this level of flow being taken as the rate of leakage. On the basis of this signal, the device generates outputs indicative of the presence and relative magnitude of leakage. A preferred form of the device monitors flow with a thermal fluid flow detector which is adapted to be removably mounted on a distribution system pipe and to be sufficiently inexpensive to permit wide application of the device to small fluid distribution systems, such as residential water systems.

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Lexington, MA, United States of America

Roger E Dennison