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| Number | Title | Issue Date |
| 4817863 | Vortex valve flow controller in VAV systems In variable air volume systems of buildings, a vortex valve is used for varying the volume of the air moving through the system.... | 04/04/1989 |
| 4211363 | Fluidically-controlled air-conditioning system The present invention is one that uses the novel feature of fluidics to control the flow of conditioned air in an air-conditioning system. More specifically, in one species of the invention, fluidic amplifier apparatus controls the flow of hot water into ... | 07/08/1980 |
| 4182486 | Fluidic flow sensing and control apparatus In a system to control a condition of air in a duct, there is disclosed a first nozzle for issuing a jet of fluid, a second nozzle for receiving a portion of said fluid depending upon the condition of the air in the duct, and a circuit arrangement for con... | 01/08/1980 |
| 4013217 | Double induction air conditioning with fluidic control A double induction mixing box is provided with damperless openings to each of two opposite side passages in the box and fluidic diverter means between a primary air supply to the box and the opposite side passages is used for controlling the diversion of ... | 03/22/1977 |
| 3989187 | Air-conditioning system apparatus The present invention relates to an air-conditioning system that employs fluidic principles to provide temperature control. A fluidic oscillator is utilized to control the conditioning process in which the imput of primary and secondary air to the system ... | 11/02/1976 |
| 3937398 | Conditioned air distribution system An air distribution system supplies conditioned air to at least one zone to be conditioned and comprises a supply duct connected with a diffuser discharging into the conditioned zone. A modulating valve in the supply duct is provided with a bellows actuat... | 02/10/1976 |
| 3934795 | Dual duct variable volume air conditioning system A dual duct variable volume air conditioning system has a first, cold duct for supplying cold air and a second, reset duct for supplying either hot air in a first mode of operation or cold air in a second mode of operation. A self-contained system regulat... | 01/27/1976 |
