Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7946828 | Screw type liquid ring pump with shaft seal arrangement Screw type liquid ring pump including a pump housing (9) with an inlet part (3) and an outlet part (11) and rotating helical screw rotor (8) inside the housing. The rotor is connected with a shaft (7) as well as a driving unit in t... | 05/24/2011 |
| 7878768 | Vacuum pump with wear adjustment A vacuum pump having components that are subject to wear may be adjusted to compensate for the wear. In some instances, a vacuum pump may include a housing and an impeller disposed at least partially within the housing. A gap between the housing and the impeller may... | 02/01/2011 |
| 7871249 | Systems and methods for managing fluids using a liquid ring pump Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed from the system and subseque... | 01/18/2011 |
| 7648344 | Liquid ring pump Disclosed is a liquid ring pump with one or several stages, each of which comprises a working chamber, an impeller that is eccentrically mounted therein, flat control disks that axially delimit the working chamber on both sides, and ducts or chambers that are locate... | 01/19/2010 |
| 7563075 | Liquid ring pump A liquid ring pump comprises a first housing part that radially encloses two or more working chambers in which a rotatably mounted impeller is disposed in an eccentric manner, second and third housing parts that seal both sides of the first housing part and the pump... | 07/21/2009 |
| 7488158 | Fluid transfer using devices with rotatable housings A liquid ring pump includes an external housing enclosing a volume including a lower fluid reservoir. A rotatable inner housing is within the volume of the external housing, the inner housing enclosing an inner fluid chamber. A pitot tube provides fluid communicatio... | 02/10/2009 |
| 7392988 | Rotary seal A rotary seal housing having opposing ends, a first fluid conducting slot at one of the opposing ends, a pair of spaced apart fluid conducting slots at the other opposing end, and sets of apertures connecting the first fluid conducting slot with the pair of fluid co... | 07/01/2008 |
| 7258143 | System and method for regulating the volume of barrier fluid in a liquid ring vacuum pump In a system and method for ensuring that a liquid ring vacuum pump contains an optimum amount of barrier fluid the pump and a vessel for containing barrier fluid are set at respective levels such that, when the pump is at rest and the level of barrier fluid id at it... | 08/21/2007 |
| 7066718 | Liquid ring compressor The invention relates to a liquid ring compressor and/or pump, comprising a rotating compressor casing (1), a shaft journal (10) eccentrically located relative to the compressor casing's axis of rotation, with a surrounding bearing (15). One or ... | 06/27/2006 |
| 6641369 | Liquid ring compressor with thin distribution plate The liquid ring compressor comprises a cylindrical casing containing an impeller the axis of which is offset from the axis of the cylindrical casing. At least one end of the cylindrical casing is provided with a distribution plate and relative closure cov... | 11/04/2003 |
| 6585492 | Pump system with vacuum source A pumping system is disclosed that includes a vacuum source. The pumping system includes a motor coupled to a centrifugal pump and a separator defining a reservoir in fluid communication with an inlet of the centrifugal pump. A water liquid ring vacuum pu... | 07/01/2003 |
| 6558131 | Liquid ring pumps with automatic control of seal liquid injection A liquid ring pump system includes structure configured to automatically and actively vary the amount of seal liquid injected into the sweep of the pump (in order to boost gas discharge pressure) based on one or more variable operating parameters of the p... | 05/06/2003 |
| 6551071 | Multiple-flow liquid ring pump The invention relates to a multiflow liquid ring pump, comprising a rotor housing that encompasses the pump rotor. A side shield is arranged on both front ends. Each side shield has an inlet and an outlet on the side facing the other side shield, the inle... | 04/22/2003 |
| 6497555 | Liquid ring pump A liquid ring pump, includes a stationary housing having an interior space for accommodating at least one rotor mounted on a rotor shaft for rotation in the housing. The rotor shaft is supported by a bearing in the interior space, and the rotor is operate... | 12/24/2002 |
| 6354808 | Modular liquid ring vacuum pumps and compressors Liquid ring pumps, of the type having a port structure that extends into an annular recess in an end of the rotor, have several parts that are designed so that they can be used to make pumps having either relatively demanding service requirements or subst... | 03/12/2002 |
| 6347926 | Drive apparatus, such as a liquid ring machine and a method for driving a drive apparatus, such as transferring fluid An actuator, such as a liquid ring machine, and a method in an actuator, such as transferring of fluid, is such that the machine includes a casing part within which a rotatable blade rotor is arranged. The casing part forms a hollow rotatable rotor, the i... | 02/19/2002 |
| 6287082 | Liquid ring pump A liquid ring pump including at least one drive unit is described, having a drive shaft, a working space housing with an impeller rotating in it and axially freely movable on the drive shaft, and a disk cam with passages in the region of a front face of t... | 09/11/2001 |
| 6206646 | Method and sensor for the detection of cavitations and an apparatus containing a sensor of this kind In a method for the detection of cavitations in a space to be monitored, the space to be monitored is monitored by means of a sensor (2) which is capable of learning. In this, a state in which cavitations arise in any case in the space to be monitored is ... | 03/27/2001 |
| 6128901 | Pressure control system to improve power plant efficiency A system for improving the efficiency of a modem power plant for generating electricity with a water-cooled shell and tube steam condenser with an air removal system is disclosed. An air removal system typically includes an air offtake pipe and a two-stag... | 10/10/2000 |
| 6120253 | Centrifuge 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 |
| 6106239 | Air flow apparatus for liquid ring vacuum pump A liquid ring vacuum pump or compressor includes an off-centered housing and a rotor shaft assembly within the housing. The liquid ring vacuum pump or compressor also includes a port-containing one member having a frustoconical shape positioned in the rot... | 08/22/2000 |
| 6082973 | Liquid ring machine having a rotor with sweeping edges for scraping-off deposits A rotor for a liquid ring machine having a plurality of vanes connected to the rotor hub and a support disk, with the rotor hub face and the support disk back side having sealing surfaces. Recesses with formed edges, capable of scraping off material depos... | 07/04/2000 |
| 5961295 | Mixed flow liquid ring pumps A conically ported liquid ring pump has one or more port structures with cone angles in the range from 15 degrees to 75 degrees. These cone angles are substantially greater than previously used cone angles (most commonly about 8 degrees). The large cone a... | 10/05/1999 |
| 5899668 | Two-stage liquid ring pumps having separate gas and liquid inlets to the second stage A two-stage liquid ring pump has an interstage structure which promotes separation of the gas and liquid discharged from the first stage. The second stage has separate gas and liquid inlets for respectively admitting the separated gas and liquid to the se... | 05/04/1999 |
| 5803713 | Multi-stage liquid ring vacuum pump-compressor A multiple stage axial flow liquid ring vacuum pump having pumping stages integrated in a single rotor rotating around a central port cylinder with multiple inlet and discharge ports, with axial flow arrangement enabling the pump to achieve higher vacuum ... | 09/08/1998 |
| 5800146 | Liquid-ring gas pump with a silencing element in the discharge space A liquid ring gas pump has a pressure space and a pressure pipe connected to the top of the pressure space. A tubular silencer is suspended from the pressure pipe and extends into the pressure space. The silencers are detachable and may be inserted throug... | 09/01/1998 |
| 5769609 | Liquid ring compressor having a distribution groove for sealing A liquid-ring compressor having a rotor mounted in a compressor housing. The rotor is mounted eccentrically relative to the center axis of the compressor housing. At least one control disk is arranged on one of the end faces of the rotor. The control disk... | 06/23/1998 |
| 5735674 | Liquid-ring gas pump Liquid-ring gas pump with a working space containing an overhung impeller (17) and a connection casing (2) which is separated from the working space by a control plate (13). This casing contains, on one side of a hub space (11) suitable for the accommodat... | 04/07/1998 |
| 5653582 | Fluid bearing pad arrangement for liquid ring pump systems Liquid ring pumps with rotating canisters are supported by at least one radial fluid bearing pad. The bearing fluid is either a gas or a liquid. The radial fluid bearing pads can be of either the hydrodynamic or hydrostatic type. Holes in each bearing pad... | 08/05/1997 |
| 5647728 | Liquid ring machine having pivoted outer housing An improved liquid ring machine having a housing that has a circular inside contour and side shields arranged at its faces, at least one of which is provided with a control disk. The rotor of the machine is eccentrically mounted in the side shields to rot... | 07/15/1997 |
| 5639221 | Liquid ring compressor with side shield located inlet separator A liquid ring compressor comprising at least one side shield having a suction connection leading to a suction chamber and a discharge connection leading to a pressure chamber. A cam disk spatially delimits the suction and pressure chambers from the workin... | 06/17/1997 |
| 5636523 | Liquid ring compressor/turbine and air conditioning systems utilizing same A rotating liquid ring compressor/turbine (RLRC/T), including a rotor having a core and a plurality of radially extending vanes mounted thereon, a tubular jacket having outer and inner lateral portions, eccentrically, rotationally coupled with the rotor. ... | 06/10/1997 |
| 5618164 | Liquid ring compressor with plural after-cooler elements The invention relates to a compressor assembly, where the inlet port of a liquid-piston rotary compressor is coupled to a suction line and the outlet port of the compressor is coupled to a storage tank. An air-discharge line and a return line leading to t... | 04/08/1997 |
| 5605445 | Liquid ring machine having a relief passage for excess liquid When liquids are conveyed together in the liquid ring of a liquid ring machine, an increased power requirement and a deterioration of the running characteristics of the rotor result. A liquid ring machine for selectively conveying several liquids has a ho... | 02/25/1997 |
| 5588806 | Liquid ring machine and process for operating it A liquid ring machine has one partial working chamber of the liquid ring machine which is separated from the supply of operating liquid and is drained of the operating liquid to the point where the part of the impeller rotating in this partial working cha... | 12/31/1996 |
| 5580222 | Liquid ring vacuum pump and method of assembly A method for assembling a pump assembly which comprises: placing a drive end assembly about a shaft having centrally disposed shoulder the diameter of which is greater than the mean diameter of the shaft, the shoulder having a first side wall and a second... | 12/03/1996 |
| 5542822 | Liquid ring pump and separator container assembly An upright L- or U-shaped separating container with a pump unit mounted on the horizontal part thereof. The separating container is provided with an inlet opening towards its bottom and an outlet opening towards its top. The pump unit is comprised of a co... | 08/06/1996 |
| 5511953 | Mechanical compressor system A mechanical compressor system is provided. In the system, a suction line is connected to a first connecting port of a liquid ring compressor, and an exhaust line is connected to a second connecting port of the same. An after-cooler unit is provided which... | 04/30/1996 |
| 5509789 | Liquid ring pump having a sheet metal working chamber casing Single-stage liquid ring gas pump which can be flanged to a drive unit. The suction and delivery connections are disposed on a connection casing (3) which is to be connected to the drive unit. On the side of the connection casing remote from the drive are... | 04/23/1996 |
| 5507625 | Liquid ring pumps To decrease gas leakage across the cantilevered axial end of the hub of a liquid ring pump rotor which has a central recess in that end of the hub, the adjacent port structure is provided with a protrusion which extends axially part way into the recess in... | 04/16/1996 |
