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Class Information
Number: 165/295
Name: Heat exchange > With timer, programmer, time delay, or condition responsive control > Temperature responsive or control > Including mass flow sensor
Description: Subject matter and further including a means to measure the quantity of fluid flowing through or around the heat transfer apparatus.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7571762 |
Ground source heat exchange system |
Aug. 11, 2009 |
| RE40806 |
Respiratory humidification system |
Jun. 30, 2009 |
| 7407003 |
Ground source heat exchange system |
Aug. 5, 2008 |
| 7334627 |
Enhanced heat transfer device with electrodes |
Feb. 26, 2008 |
| 7293605 |
Feed-back control system for heat exchanger with natural shedding frequency |
Nov. 13, 2007 |
| 7069976 |
Method and arrangement for controlling the temperature of the outstream flow from a heat exchanger and measuring produced heat |
Jul. 4, 2006 |
| 6802314 |
Respiratory humidification system |
Oct. 12, 2004 |
| 6694974 |
Respiratory humidification system |
Feb. 24, 2004 |
| 6584972 |
Respiratory humidification system |
Jul. 1, 2003 |
| 6450254 |
Fluid control system with autonomously controlled valves |
Sep. 17, 2002 |
| 6449969 |
Method for controlling coolant circulation system |
Sep. 17, 2002 |
| 6349722 |
Respiratory humidification system |
Feb. 26, 2002 |
| 6123146 |
Air conditioning installation with an external temperature estimator, especially for a motor vehicle |
Sep. 26, 2000 |
| 5927400 |
Device and method for the adjustment of the flow rate of a liquid, with closed loop control |
Jul. 27, 1999 |
| 5904292 |
Modulating fluid control device |
May. 18, 1999 |
| 5810078 |
Apparatus and method for the environmental control of vehicle interiors |
Sep. 22, 1998 |
| 5806582 |
Method and arrangement for controlling heat transfer in ventilation Apparatus or air conditioning apparatus |
Sep. 15, 1998 |
| 5802863 |
System and method for refrigerating liquids |
Sep. 8, 1998 |
| 5779141 |
Heating apparatus |
Jul. 14, 1998 |
| 5522452 |
Liquid cooling system for LSI packages |
Jun. 4, 1996 |
| 5363905 |
Method of controlling heat exchangers using enthalpy flow as the correcting variable |
Nov. 15, 1994 |
| 5347825 |
Hydronic interface system, method and apparatus |
Sep. 20, 1994 |
| 5237338 |
Is-enthalpic control of a thermal printing head |
Aug. 17, 1993 |
| 4997030 |
Central air conditioning system having remote controller in a plurality of rooms for starting or stopping air conditioning apparatus |
Mar. 5, 1991 |
| 4702306 |
Apparatus for controlling a process variable of a flowing medium |
Oct. 27, 1987 |
| 4600049 |
Method and system for operating a cooling plant |
Jul. 15, 1986 |
| 4583683 |
Air conditioning system utilizing a Karman vortex detecting type flowmeter |
Apr. 22, 1986 |
| 4483276 |
Fluid particle backmixed cooling apparatus |
Nov. 20, 1984 |
| 4393921 |
Circuit controlling coolant flow to a non-linear heat exchanger through a non-linear electromechanical valve |
Jul. 19, 1983 |
| 4390058 |
Method of monitoring condenser performance and system therefor |
Jun. 28, 1983 |
| 4351651 |
Apparatus for extracting potable water |
Sep. 28, 1982 |
| 4279574 |
Energy recovery system |
Jul. 21, 1981 |
| 4210957 |
Operating optimization for plural parallel connected chillers |
Jul. 1, 1980 |
| 4207752 |
Method and apparatus for recovering heat from waste water |
Jun. 17, 1980 |
| 4099554 |
Control system to regulate the wall temperature of a pressure vessel |
Jul. 11, 1978 |
| 4050506 |
Stepwise turndown by closing heat exchanger passageways responsive to measured flow |
Sep. 27, 1977 |
| 4008756 |
Apparatus for air conditioning employing variable terminal box |
Feb. 22, 1977 |
| 3977466 |
Room air conditioning apparatus |
Aug. 31, 1976 |
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