Resumes
Resumes
Claus Knudsen Phones & Addresses
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1133 Paloma Ave APT 9, Burlingame, CA 94010
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San Mateo, CA
Publications
Us Patents
Methods Of Manufacturing And Temperature Calibrating A Coriolis Mass Flow Rate Sensor
View pageUS Patent:
20110197650, Aug 18, 2011
Filed:
May 13, 2010
Appl. No.:
12/779151
Inventors:
Alan M. Young - Los Gatos CA, US
Jianren Lin - San Jose CA, US
Claus W. Knudsen - Fremont CA, US
Jianren Lin - San Jose CA, US
Claus W. Knudsen - Fremont CA, US
Assignee:
MALEMA ENGINEERING CORPORATION - Boca Raton FL
International Classification:
G01F 25/00
G01F 1/84
B23P 11/00
B23Q 11/00
B23P 17/00
B23B 35/00
G01F 1/84
B23P 11/00
B23Q 11/00
B23P 17/00
B23B 35/00
US Classification:
73 116, 73861357, 29428, 409131, 295271, 408 1 R
Abstract:
A subassembly of a Coriolis flowmeter is fabricated from a single monolithic piece of elastic polymeric material. The subassembly includes two flow-sensitive members and a base integrally connected to the two flow-sensitive members. The two flow-sensitive members include straight sections, and are substantially similar and parallel to each other. Flow passages are drilled along the straight sections of the two flow-sensitive members, and drilled entrances are sealed using the elastic polymeric material. A temperature sensor is fixedly attached to a flow-sensitive member for measuring a temperature of the flow-sensitive member and communicating the temperature to a metering electronics. The metering electronics determines a calibrated flow rate of fluid flowing through the Coriolis flowmeter that accounts for the temperature.
Replaceable Coriolis Flow Sensors With Broad Operating Range
View pageUS Patent:
20220236092, Jul 28, 2022
Filed:
Apr 11, 2022
Appl. No.:
17/718197
Inventors:
- Boca Raton FL, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Renato De Castro - Cupertino CA, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Renato De Castro - Cupertino CA, US
International Classification:
G01F 1/84
Abstract:
A Coriolis flow sensor includes a metal flow tube and an enclosure. The enclosure encloses the flow tube and is constructed at least partially from a gamma transparent material. The metal flow tube may be constructed from stainless steel. The gamma transparent material and the flow tube are thin enough to permit sterilization of an interior of the flow tube by gamma irradiation of the flow tube through the gamma transparent material. The enclosure is also shaped to facilitate locking and unlocking the Coriolis flow sensor in place on a mounting structure.
Coriolis Mass Flow Sensors Having Different Resonant Frequencies
View pageUS Patent:
20220214200, Jul 7, 2022
Filed:
Mar 23, 2022
Appl. No.:
17/702554
Inventors:
- Boca Raton FL, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Peter Anthony McCann - Madera CA, US
Vinh T. Nguyen - San Jose CA, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Peter Anthony McCann - Madera CA, US
Vinh T. Nguyen - San Jose CA, US
International Classification:
G01F 1/84
Abstract:
A flow measurement system includes two or more flow sensors that may operate simultaneously and a plurality of connected flow paths for flow of fluids. Each flow sensor is positioned along a different flow path of the plurality of connected flow paths and includes at least one flow tube and a support that clamps the flow tube. The flow tube of each flow sensor has a different resonant frequency so that cross-talk between the flow sensors can be reduced or eliminated. In some embodiments, the flow tube of each flow sensor has a different tube length, wall thickness, material, and/or weight. The flow measurement system can also include one or more pumps for pumping fluid into the flow sensors and a dampener arranged between a pump and a corresponding flow sensor for mitigating interference on the flow sensor from operation of the pump.
Coriolis Mass Flow Sensors Having Different Resonant Frequencies
View pageUS Patent:
20210318154, Oct 14, 2021
Filed:
Apr 10, 2020
Appl. No.:
16/846061
Inventors:
- Boca Raton FL, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Peter Anthony McCann - Madera CA, US
Vinh T. Nguyen - San Jose CA, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Peter Anthony McCann - Madera CA, US
Vinh T. Nguyen - San Jose CA, US
International Classification:
G01F 1/84
Abstract:
A flow measurement system includes two or more flow sensors that may operate simultaneously and a plurality of connected flow paths for flow of fluids. Each flow sensor is positioned along a different flow path of the plurality of connected flow paths and includes at least one flow tube and a support that clamps the flow tube. The flow tube of each flow sensor has a different resonant frequency so that cross-talk between the flow sensors can be reduced or eliminated. In some embodiments, the flow tube of each flow sensor has a different tube length, wall thickness, material, and/or weight. The flow measurement system can also include one or more pumps for pumping fluid into the flow sensors and a dampener arranged between a pump and a corresponding flow sensor for mitigating interference on the flow sensor from operation of the pump.
Polymer-Based Coriolis Mass Flow Sensor Fabricated Through Casting
View pageUS Patent:
20200319006, Oct 8, 2020
Filed:
Apr 1, 2020
Appl. No.:
16/837635
Inventors:
- Boca Raton FL, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Peter Anthony McCann - Madera CA, US
Vinh T. Nguyen - San Jose CA, US
Jayasekar Rajagopalan - Cupertino CA, US
Claus Waldersdorff Knudsen - Fremont CA, US
Peter Anthony McCann - Madera CA, US
Vinh T. Nguyen - San Jose CA, US
International Classification:
G01F 1/84
G01F 1/696
G01F 15/02
G01D 11/30
G01F 1/696
G01F 15/02
G01D 11/30
Abstract:
A flow sensor includes a flow tube in a form of a tube and a support cast around the flow tube. The support clamps the flow tube and the flow tube extends through the support. The flow sensor is formed by placing the flow tube in a tube cavity of a casting mold and pouring or injecting a liquid resin into a support cavity of the casting mold. The support is formed around the flow tube from solidifying the liquid resin in the support cavity of the casting mold. A temperature of the casting mold during formation of the support does not exceed a threshold temperature to avoid deformation of the flow tube. The flow sensor can also include at least one memory chip that stores calibration information associated with the flow sensor and connectors that allows a controller to read the calibration information from the memory chip.