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Class 137/211.5 - Gas injected by liquid pressure or flow


Subclass of Class 137 - Fluid handling
Definition: Apparatus including means to apply gas pressure over the
No. of patents: 7
Last issue date: 04/18/2006


NumberTitleIssue Date
7028488Method and apparatus to minimize fractionation of fluid blend during transfer
A method of dispensing a liquid material from a source container which includes a blend of fluids of a first composition that normally fractionate upon boiling. A material of a second composition (different than that of the first composition) and capable of maintain...
04/18/2006
5862946Gas dissolution under pressure
The present invention is directed to precise, accurate mixing two or more chemicals in a metered vessel to achieve a precise, accurate concentration of the chemicals. More particularly, the chemicals are mixed in a vessel having constricted vent tubes wit...
01/26/1999
5647392Air regulation system for hydropneumatic reservoir
An air regulation system for a hydropneumatic reservoir of a hydraulic conduit includes a chamber, a water filling device for the chamber, a water emptying device for the chamber, an automatic air introduction device for introduction of air in the chamber...
07/15/1997
5205316Air/water volume control system
Apparatus is described for controlling the volumes of water and headspace air in a water storage/delivery tank of an individual water well system that includes a pump for maintaining water within the storage/delivery tank and for maintaining the pressure ...
04/27/1993
4659291Hydroelectric switch for controlling electric motor driven pump
A hydroelectric switch for a pump comprising in a first embodiment an elongated body defining fluid inlet and fluid outlet orifices, a substantially elongated seat through which fluid flows, a disk having a tapered flange and a rod extending centrally the...
04/21/1987
3991783System for rapidly building an air cushion over liquid in a tank
A system for rapidly building an air cushion over liquid in a tank, without requiring an air compressor for this purpose. During normal operation the air cushion over the liquid is maintained at a given magnitude and pressure by cyclical operation of an a...
11/16/1976
3964479Extracorporeal blood circulation system and drip chamber with adjustable blood level
In accordance with the invention there is provided an extracorporeal blood circulation system including a drip chamber having a blood inlet in its top and a blood outlet in its bottom, such chamber during operation containing blood in its bottom portion a...
06/22/1976
 
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