Inventor
CHENG ANDREW A
US18 patents
⚠️ This page may combine multiple inventors who share the name “CHENG ANDREW A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FLUID HANDLING LLC
15 patentsUS11022985B2Jun 1, 2021
Discrete valve flow rate converter
FLUID HANDLING LLC2 citations72
US10823176B2Nov 3, 2020
Variable speed pumping control system with active temperature and vibration monitoring and control means
FLUID HANDLING LLC3 citations72
US10317894B2Jun 11, 2019
No flow detection means for sensorless pumping control applications
FLUID HANDLING LLC3 citations72
US10119545B2Nov 6, 2018
3-D sensorless conversion method and apparatus for pump differential pressure and flow
FLUID HANDLING LLC2 citations72
US9938970B2Apr 10, 2018
Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring
FLUID HANDLING LLC3 citations72
US9897084B2Feb 20, 2018
Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping system
FLUID HANDLING LLC5 citations72
US9611856B2Apr 4, 2017
Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoring
FLUID HANDLING LLC5 citations72
US11035368B2Jun 15, 2021
Pump control design toolbox technique for variable speed pumping applications
FLUID HANDLING LLC0 citations58
US10048701B2Aug 14, 2018
Dynamic linear control methods and apparatus for variable speed pump control
FLUID HANDLING LLC1 citations51
US9846416B2Dec 19, 2017
System and flow adaptive sensorless pumping control apparatus for energy saving pumping applications
FLUID HANDLING LLC1 citations51
US10670024B2Jun 2, 2020
Direct numeric affinity pumps sensorless converter
FLUID HANDLING LLC0 citations48
US10670010B2Jun 2, 2020
Direct numeric 3D sensorless converter for pump flow and pressure
FLUID HANDLING LLC0 citations47
US10662954B2May 26, 2020
Direct numeric affinity multistage pumps sensorless converter
FLUID HANDLING LLC0 citations47
US11391287B2Jul 19, 2022
Advanced real time graphic sensorless energy saving pump control system
FLUID HANDLING LLC0 citations45
US10895881B2Jan 19, 2021
Adaptive water level controls for water empty or fill applications
FLUID HANDLING LLC0 citations37