Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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 |
| 7766604 | Fuel pump Fuel pump (10)comprises a casing (18) and an impeller (20). A group of concavities (20a) are formed in an upper or a lower face of the impeller. A groove (24) communicating a discharge hole (25) is formed in a inner f... | 08/03/2010 |
| 7309206 | Fuel pump received in housing A fuel pump includes a rotor, a rotating member, a pump portion, and a housing. The rotating member is rotated by the rotor to generate suction force for drawing fuel. The pump portion includes a pump casing that receives the rotating member. The housing receives th... | 12/18/2007 |
| 7244094 | Low noise impeller pumps An impeller pump for a fluid includes a rotary impeller (10; 20) and a pump casing (4). The pump casing defines a first pump channel (51) and a second pump channel (71). The impeller is disposed within the pump casing and opposes to the f... | 07/17/2007 |
| 7217086 | Cooling fluid pump A cooling fluid pump includes a casing having a cylindrical pump chamber inside and an outer surface, the pump chamber having an inner surface, an impeller mounted rotatably inside the pump chamber and having a number of pump vanes, the impeller further having an ax... | 05/15/2007 |
| 7217085 | Fuel pump of low fuel intake resistance A fuel pump to be disposed in a fuel tank to supply pressurized fuel to an internal combustion engine includes a motor section, a pump section including an impeller driven by the motor section and a cylindrical pump housing having a pump passage extending along the ... | 05/15/2007 |
| 7198455 | Vacuum pumping arrangement In a pumping arrangement for a chamber, a regenerative pumping mechanism comprises a rotor and a stator having an annular channel within which rotor blades rotate to urge fluid along the channel. The channel has a stripper, a channel inlet positioned adjacent one en... | 04/03/2007 |
| 7175383 | Regenerative fluid pump and stator for the same A regenerative fluid pump (10) comprises a rotor having rotor blades for compressing fluid on two fluid flow paths, the first of which extends between a first pump inlet (12a) and a first pump outlet (14a), and a second of which ex... | 02/13/2007 |
| 7165931 | Compact molecular-drag vacuum pump A molecular drag vacuum pump configured for pumping a gas stream from an inlet to an outlet, the pump including a high-speed spinning disk or rotor disposed within a housing. A passageway is formed inside the housing adjacent the disk, and gas comes in contact with ... | 01/23/2007 |
| 7090460 | Pump embodied as a side channel pump A side channel pump, preferably a vacuum pump, includes a driven rotor (16) and a fixed stator (14). The rotor (16) and the stator (14) define a pump channel circulating in a peripheral direction. Blades are fixed onto the rotor, protrudi... | 08/15/2006 |
| 7048494 | Turbine fuel pump A turbine fuel pump including a cylindrical casing, an electric motor accommodated in the casing, a pump housing mounted into the casing, and an impeller disposed within the pump housing and driven around an axis in a rotational direction by the electric motor. The ... | 05/23/2006 |
| 7037066 | Turbine fuel pump impeller A multiple-channel, single stage, turbine fuel pump impeller, preferably for use with vehicle fuel delivery systems. The impeller includes independent inner and outer vane arrays concentrically disposed to one another and radially spaced apart. The inner and outer v... | 05/02/2006 |
| 7033137 | Vortex blower having helmholtz resonators and a baffle assembly A blower includes a blower housing having a chamber, an impeller rotatably received in the chamber, the impeller having a plurality of blades; and at least one resonator ring associated with one of the blower housing and the impeller. The resonator ring provides a p... | 04/25/2006 |
| 6942446 | Feed pump The invention relates to a feed pump (2) that is configured as a side-channel pump with a plurality of identically designed feed chambers (6, 7) with outlet channels (22, 23) that are disposed opposite one another, thereby eliminating the radial... | 09/13/2005 |
| 6932562 | Single stage, dual channel turbine fuel pump A single stage, dual channel turbine fuel pump for use in a vehicle fuel delivery system, generally including a lower casing, an upper casing, an impeller and a motor. Both the lower and upper casings have a pair of concentric, annular grooves formed on their surfac... | 08/23/2005 |
| 6890144 | Low noise fuel pump design A regenerative fuel pump comprising a housing, a pump cover having a first flow channel formed therein, a pump body having a second flow channel formed therein whereby the first flow channel and the second flow channel define a pumping chamber, and an impeller mount... | 05/10/2005 |
| 6877949 | Pumping stage for a vacuum pump A pumping stage for a vacuum pump, has an improved geometry allowing an optimum trade-off to be achieved between the exhaust pressure and the pumping rate attained in that stage. In the pumping stage (1) the axial extension that is the height of the pumping c... | 04/12/2005 |
| 6799941 | Turbine fuel pump and method for calibrating A turbine fuel pump assembly draws fuel from a reservoir and supplies that fuel to a combustion engine. The assembly includes an electric motor which drives a fuel pump, all of which is supported in a sleeve. The fuel pump has a guide ring which has a stripper segme... | 10/05/2004 |
| 6715986 | Fuel pump A fuel pump for discharging a desired amount of fuel during vapor generation has a pump cover and a pump casing which rotatably accommodates an impeller. A pressure difference is caused in the vicinity of each impeller vane groove by fluid friction as the impeller r... | 04/06/2004 |
| 6676367 | Regenerative pumps A regenerative fluid dynamic machine, typically a blower or compressor, includes an impeller (1) with fixedly attached blades (6) which may be radial or curved in a general convex fashion facing forward in the direction of turning. The impeller is enclose... | 01/13/2004 |
| 6499941 | Pressure equalization in fuel pump A fuel pump for a vehicle includes a pump section having a flow channel and a rotatable impeller cooperating with said flow channel to pump fuel therethrough. The fuel pump also includes a motor section disposed adjacent the pump section and having a moto... | 12/31/2002 |
| 6336788 | Regenerative type pumps An impeller 16 has a plurality of blade grooves 16a formed along a perimeter thereof. A pump casing 17 has an inlet port 22, a discharge port 24, a first circumferential groove 20 contiguous with the inlet port 22, a second circumferential groove contiguo... | 01/08/2002 |
| 6129508 | Side channel compressor The invention relates to a side channel compressor having an impeller (2) which is arranged rotatably in the housing (1) of the compressor and has a carrying ring (3) which is provided with feed vanes (4) and, at least on one side, projects axially beyond... | 10/10/2000 |
| 6126387 | Fuel pump having low operating noise A pump housing PH surrounding an impeller 21 comprises an inlet port 19 and an outlet port 20 disposed in a spaced-apart relationship from each other in a direction of rotation of the impeller 21, a pump passage 23 corresponding to vane grooves 22 of the ... | 10/03/2000 |
| 6086325 | Side channel machine To improve the efficiency of a side channel suction machine, it is proposed to provide in the inlet regions of the side channels a smooth deflecting wall, which extends from the base of the side channel to the end face of the housing part in which the sid... | 07/11/2000 |
| 6071071 | Side-channel fan, in particular for supplying combustion air in an independent heater of a motor vehicle A side-channel fan (1), especially for feeding combustion air in a parking heater (2) of a motor vehicle, with a fan body part (3) in an axial connection to an impeller (4), wherein the fan body part (3) has an inlet channel (5) and an outlet channel (6) ... | 06/06/2000 |
| 6019571 | Side channel compressor Side channel compressor, in which the gap (7) existing between the rotor (2) and the housing parts (1) surrounding the rotor (2) is sealed off using a sealing tape (8) introduced into a peripheral groove (9) provided in the corresponding wall regions of t... | 02/01/2000 |
| 6017183 | Flow pump In connection with a flow pump, particularly for the conveying of fuel from a fuel tank of a motor vehicle, with a pump chamber embodied in a pump housing which is bordered by two radially extending lateral walls (12), spaced apart from each other, and a ... | 01/25/2000 |
| 6012896 | Process for producing a connection of an insert part to a tubular part by means of flanging The insert part (12) is introduced into the tubular part (10) from one end and comes to butt, in the direction of the longitudinal axis (11) of the tubular part (10), against a stop (24). At its end into which the insert part (12) is pushed, the tubular p... | 01/11/2000 |
| 5980200 | Peripheral pump, in particular for feeding fuel from feed tank to internal combustion engine of motor vehicle A peripheral pump for feeding fuel from a supply tank to the internal combustion engine of a motor vehicle, in which, in a pump chamber (17) embodied by at least two adjacent walls (18, 19), a revolving circular-cylindrical impeller (12) is disposed, on w... | 11/09/1999 |
| 5964573 | Housing for a side channel compressor The invention relates to a housing consisting of two housing halves for a side channel compressor. The strength of such a housing can be appreciably increased in that the front wall (3) of each housing half (1) and (2) has formed on it at least two rings ... | 10/12/1999 |
| 5951241 | Regenerative turbine pump cover A regenerative turbine pump cover including an essentially flat bottom surface which includes a plurality of corner post projections. The post projections are located near comers of the cover. The bottom of the cover includes a central cutwater member hav... | 09/14/1999 |
| 5921746 | Fuel pump chamber with contamination control An electric-operated fuel pump (20) has a vaned impeller (28, 28') that is disposed within a pumping chamber (27) for rotation about an axis (21). The pumping chamber has a main channel (42) extending arcuately about the axis to one axial side of the impe... | 07/13/1999 |
| 5913657 | Side channel pump A side channel pump has an impeller and a housing which closely encloses the impeller on both sides in the axial direction and about its circumference. Fluid inflow and discharge ports are provided on a first side of the impeller. The side channel is arra... | 06/22/1999 |
| 5785490 | Fluid pump The fluid pump has a pump impeller provided with vanes and driven to revolve in a pump chamber that is defined by one wall portion each in the direction of the rotary axis of the pump impeller. In both wall portions, toward the pump impeller, there is an ... | 07/28/1998 |
| 5772393 | Low noise fuel pump unit In a fuel pump unit including a substantially disc-like rotating impeller, a pump casing for accommodating the impeller, the pump casing having a pressurizing passage surrounding an outer peripheral edge of the impeller and extending along the outer perip... | 06/30/1998 |
| 5716191 | Westco pump and noise suppression structure In order to reduce noise generated in a westco pump when fluid hits a finishing end of a pump channel, finishing ends of grooves formed in a side wall of a casing body and a casing cover to form a pump channel are shifted by an amount equal to 1/2 of the ... | 02/10/1998 |
| 5702229 | Regenerative fuel pump An electric-motor liquid fuel turbine pump wherein the pump impeller periphery has a circumferential array of axial counter flow blades arranged in radially spaced outer and inner concentric circular rows. An arcuate pumping channel includes first and sec... | 12/30/1997 |
| 5672046 | Side-channel compressor A side-channel compressor is disclosed with at least one side channel configured in the compressor housing and with a baffle, separating the intake and delivery sides. The boundary sides of the baffle extend in the radial direction with respect to the sid... | 09/30/1997 |
| 5658126 | Side channel compressor A side channel compressor with an impeller with delivery blades that has a seal to prevent leakage between the impeller and the impeller housing. A hub supporting the impeller connects it to a drive shaft. A housing surrounds the impeller, which rotates t... | 08/19/1997 |
| 5584653 | Device for reducing the generation of noise in fans A device for reducing the generation of noise in a fan (11) having a gas intake channel (13), a gas discharge channel (14) and a gas propulsion device (15), in particular a side channel fan for supplying combustion air in a heater. At least in the regions... | 12/17/1996 |
