Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8147213 | Device for guiding powdery fluidic media A device for guiding powdery fluidic media, in particular powder paint, including a receptacle which is provided with an inner chamber for the media which is to be guided, and from where the medium is suctioned via a connection channel which can be closed by a valve... | 04/03/2012 |
| 7354029 | Apparatus and method for treating process fluids A process fluid treating apparatus includes an ejector assembly fluidically connected to a process fluid supply assembly. A Coanda airfoil is located in the ejector assembly. Primary fluid is injected into the ejector duct to form a Coanda layer. A process fluid, or... | 04/08/2008 |
| 7311821 | Water circulation unit with increased throughput for swimming pools, and filter unit comprising the same A water circulation unit includes an ejector (142), a convergent, and a pipe (146) which is arranged in the extension of the convergent. The ejection axis practically merges with the symmetry axis of the convergent, the two axes forming a common axis o... | 12/25/2007 |
| 7156377 | Water aeration device and method A liquid feed line includes a stepped internal nozzle and an exit diameter smaller than the diameter of the liquid feed line. The stepped internal nozzle desirably introduces hydrodynamics or hydraulic waves for the fluid, with the number of steps selected based on ... | 01/02/2007 |
| 7048514 | Downhole jet unit for testing and completing wells The invention relates to pumping engineering, mainly to downhole jet production units. The inventive downhole jet unit comprises a packer, a pipe column and a jet pump. An active nozzle and a mixing chamber are axially arranged in the body of the jet pump, and a pas... | 05/23/2006 |
| 6967010 | Chlorine dioxide generator A chlorine dioxide generator comprises a water eductor surrounded by a variable volume plenum. The plenum casing is threaded onto the venturi body, permitting the plenum volume and area to be modified depending on the capacity required. Chlorine and sodium chlorite ... | 11/22/2005 |
| 6010329 | Heat gun with high performance jet pump and quick change attachments A jet pump for a heat gun includes an elongate hollow pump body lying along a longitudinal axis. The pump body has an inlet, a mixing section and an outlet. A nozzle unit is axially aligned with the inlet for directing pressurized fuel into the inlet of t... | 01/04/2000 |
| 5868312 | Climate control device for motor vehicles The invention relates to a climate control device for temperature regulation of passenger compartments in motor vehicles. The device comprises an air treatment chamber (2) through which incoming air to the passenger compartment is made to flow via channel... | 02/09/1999 |
| 5262091 | Steam injector system A steam injector system comprises a plurality of steam injectors each being provided with with a check valve adapted for water supply, a check valve adapted for steam supply, a check valve adapted for overflow and a check valve adapted for discharge and t... | 11/16/1993 |
| 4835961 | Fluid dynamic pump A fluid dynamic pump, such as an ejector, has a common wall which separates a primary high energy fluid flow passage and a secondary low-energy fluid flow passage. The common wall includes a plurality of adjoining lobes extending in the direction of flow ... | 06/06/1989 |
| 4815942 | Axially-symmetric, jet-diffuser ejector An axially symmetric jet difuser ejector having attached primary injection nozzles without protruding outside the ejecting structure and being spaced around the ejector inlet. The primary nozzles have been specially designed to optimize the conveyance of ... | 03/28/1989 |
| 4725203 | Liquid-gas ejector device and method used to produce a diphasic flow A method for producing a flow of fluid comprised of at least phases from at least two primary flowing fluids, one of which has at least one liquid phase, and the other at least one gaseous phase, wherein the two primary fluids flow out respectively throug... | 02/16/1988 |
| 4332529 | Jet diffuser ejector A jet diffuser ejector constructed and defined for maximizing thrust augmentation with minimal length. The ejector is provided with primary injection nozzles arranged in a preselected spaced relationship with the inlet section of the ejector and at a pres... | 06/01/1982 |
| 4168803 | Air-ejector assisted fuel nozzle A nozzle for atomizing fuel for combustion in a gas turbine engine. During normal operation of the engine, the nozzle uses a portion of the air supplied to the combustion chamber by the engine compressor to atomize fuel flowing through the nozzle. During ... | 09/25/1979 |
