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Class 417/67 - Passage in impeller shaft for pumped or motive fluid


Subclass of Class 417 - Pumps
Definition: Apparatus in which the driven element is provided with a
No. of patents: 8
Last issue date: 03/29/2011


NumberTitleIssue Date
7914263Ejector-type rotary device
A centrifugal-type ejector machine of the invention comprises a sealed housing with a rotating rotor. The interior of the housing is filled with a liquid. The rotor has a central axial opening and is provided with a plurality of radial channels leading to the outer ...
03/29/2011
7233492Cooling systems and methods for same
The described embodiments relate to devices and cooling systems for same. One exemplary device includes a housing and at least one fan unit configured to move air through the housing. The device also includes a fluid channel comprising an impeller for moving fluid c...
06/19/2007
7207781Pressure exchange apparatus with dynamic sealing mechanism
A pressure exchange device is provided that utilizes a rotor assembly inside a housing to transfer the pressure of a fluid from one high pressure fluid to another low pressure fluid. The housing may comprise a pressurized fluid contained therein to provide a sealing...
04/24/2007
6722854Canned pump with ultrasonic bubble detector
An improved fluid detection mechanism for a canned motor pump includes a return passage which receives a fluid detector. The fluid detector is a bubble detector which can sense the presence of bubbles, or the lack of a fluid. The detector is preferably positioned in...
04/20/2004
6120253Centrifuge gas and liquid piston compressor
A centrifuge gas compressor for compressing gases to higher pressure states having a housing hollow interior, inside the hollow interior is a distributor and a rotating disc; the distributor is used for channeling gas and liquids into the rotating disc. T...
09/19/2000
5275091Apparatus for aseptically processing a food product
An apparatus for continuously aseptically processing a food product comprising delicate food chunks of fruit, vegetables or the like immersed in a liquid. The apparatus comprises a heating enclosure into which the food product and a nonsterile gas are int...
01/04/1994
4830865Method for aseptically processing a food product
A method and apparatus are disclosed for continuously and gently aseptically processing a food product comprising delicate food chunks of fruit, vegetables or the like immersed in a liquid. The apparatus comprises a heating enclosure into which the food p...
05/16/1989
4311025Gas compression system
A multiple disk compressor has a through flow of a two-phase medium consisting of gas bubbles entrained in a non-miscible liquid carrier and causes an almost isothermal compression of the gaseous phase of the medium. Because of the larger density at a giv...
01/19/1982
 
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