Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7726954 | Diaphragm pump A diaphragm pump and a method for aligning thereof, the pump including an electric motor, a motor shaft, driven by the electric motor for rotation about an electric motor shaft axis, an eccentric drive, driven by the electric motor, via the motor shaft, to provide r... | 06/01/2010 |
| RE40539 | Fluid pump and cartridge In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a directio... | 10/14/2008 |
| 7338400 | Motor belt tensioning construction for an air handling unit A belt tensioning system for a motor and a belt-driven blower each secured inside an air handling unit. The blower rotatably carries a first shaft, a first sheave and a bladed arrangement being secured to the first shaft. A second sheave secured to a second shaft is... | 03/04/2008 |
| 7322805 | Impeller adjustment device and method for doing the same for close coupled pumps A method and apparatus are provided for adjusting an impeller in a motor and impeller assembly of a pumping device. The method features steps of: tightening mounting bolts so as to move the motor and impeller assembly of the pumping device forward until the impeller... | 01/29/2008 |
| 7290992 | Suspension device for an electric pump The present invention provides a suspension device for an electric pump of an assembly for drawing fuel in a motor vehicle, the device comprising: an outer support suitable for surrounding the electric pump, centered on an axis parallel to the axis of the electric p... | 11/06/2007 |
| 7267319 | Low-friction slide-plates for rotary machines A mounting arrangement for use at an interface between a movable machine component and a stationary foundation includes a substantially planar foundation plate adapted for attachment to the foundation; and a plurality of slide-plate assemblies secured to the foundat... | 09/11/2007 |
| 7244179 | Suspension type oscillation mechanism A suspension type oscillation mechanism including a frame set having an upper frame with a frame hole, a casing secured to the frame set, a crank set, an axial barrel and a fastening rod. The crank set has cranks rotationally joining to each other and an end of the ... | 07/17/2007 |
| 7178745 | Dispense tip with vented outlets In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a directio... | 02/20/2007 |
| 7074017 | Quick-release pump module A slurry pump includes a power frame as well as a wet end, and the wet end comprises a casing, an impeller and wear ring in the casing, a stub shaft connected to the impeller, a sleeve assembly for the stub shaft and an adapter for adjusting the wet end to the power... | 07/11/2006 |
| 7063512 | Pump stabilizer and method A vertically-disposed pump shaft is supported by an upward force against the pump shaft during periods of non use of the pump thereby off-loading bearings normally supportive of the shaft to prevent damage thereto when the pump is moved. Additionally, a lateral supp... | 06/20/2006 |
| 7028970 | Adjustable position mounting device A skid has a pair of laterally disposed base members and a first and a second support member for mounting a first and second piece of equipment requiring horizontal axial alignment, for example, a pump and a motor. At least one of the first and second support member... | 04/18/2006 |
| 7000853 | System and method for control of fluid dispense pump In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a directio... | 02/21/2006 |
| 6957783 | Dispense tip with vented outlets In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a directio... | 10/25/2005 |
| 6910870 | High temperature pothead The present invention provides a high temperature pothead used to provide power to a submersible motor. More specifically, the present invention provides a high temperature pothead that does not require elastomeric sealing elements. ... | 06/28/2005 |
| 6652249 | Brushless DC wet motor fuel pump with integral controller An integrated brushless DC wet motor pump unit comprises a pump, a motor and a motor controller all contained within a housing. The motor includes a stator having stator coils fixed in relation to the housing and a motor rotor surrounding the stator coils... | 11/25/2003 |
| 6616420 | Reciprocating piston pump with auxiliary support shaft The invention relates to a pump assembly for a hydraulic brake system with traction control, having an electric motor and a piston pump. To reduce a bearing load, the invention proposes rotatably supporting and thereby radially bracing a motor shaft, or a... | 09/09/2003 |
| 6595761 | Screw compressor There is provided a screw compressor which needs neither a bed nor a coupling, therefore not involving alignment, and yet in which gas is not heated by the motor. The screw compressor has a compression section 21 and a motor section 22 inside a casing 20.... | 07/22/2003 |
| 6511301 | Fluid pump and cartridge In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in... | 01/28/2003 |
| 6464590 | Hydraulic aggregate with at least one displacement machine A hydraulic aggregate has at least one displacing machine having a driving mechanism, a driving/driven shaft, and a compensating coupling connecting the driving/driven shaft with the driving mechanism, and at least one machine unit connected with the driv... | 10/15/2002 |
| 6450783 | Engine with oil pump An oil pump includes an oil supply pump and an oil recovery pump disposed on an extension line of a crankshaft of an engine. One joint member is provided at an end portion of the crankshaft, and another joint member is provided at an end portion of a pump... | 09/17/2002 |
| 6450782 | Pump-motor assembly having a motor mount A pump-motor assembly having a base, a horizontal pump, a pump bracket to attach the pump to the base, a motor to energize the pump and a motor mount with a motor table and a motor platform to support and position the motor. The motor platform has a stand... | 09/17/2002 |
| 6322331 | Tubular junction for tubing pump A well pump assembly has a tubular junction having a main tube and a bypass tube. An electric motor and seal section hang below the tubular junction in the main tube. The motor is powered by a power cable that extends alongside the tubing to the surface. ... | 11/27/2001 |
| 6276895 | Fan with centrifugal shutter mechanism A fan has an associated centrifugal mechanism and a shutter, comprising a plurality of pivoted vanes and a central vane pivotally interconnected with a pair of heavy tie rods. The centrifugal mechanism is driven by the fan propeller and comprises a hermet... | 08/21/2001 |
| 6241492 | High pressure pump A high pressure fluid pump 10 supplies fluids to a water blasting or cutting gun 14. The pump 10 is preferably of the in-line type, wherein both an inlet check valve 60 and a discharge check valve 62 move linearly along the axis 40 of the plunger 30 durin... | 06/05/2001 |
| 6176690 | Optimally dampened separable engine-compressor The present invention is a separable driver-compressor combination with minimal modifications to incorporate a high production block design. One block is used for the driver engine which is appropriately modified to operate using various fuels. The other ... | 01/23/2001 |
| 6146111 | Automotive water pump A water pump allows adjustment of the drive belt by rotating a portion of the water pump housing. The water pump eliminates the need for additional drive-belt tensioning parts, therefore simplifying maintenance procedures. The pump housing has a support m... | 11/14/2000 |
| 5975862 | Portable power tool with vibration-proof member A power source and a human contacting portion of a portable power tool, with a vibration-proof member and a spacer placed between them, are tightened by fastening and connecting means in the direction approaching each other. The spacer serves to limit com... | 11/02/1999 |
| 5823261 | Well-pump alignment system An improved well-pump for geothermal wells, an alignment system for a well-pump, and to a method for aligning a rotor and stator within a well-pump, wherein the well-pump has a whistle assembly formed at a bottom portion thereof, such that variations in t... | 10/20/1998 |
| 5762480 | Reciprocating machine A reciprocating machine converts linear motion to rotary motion or vice-versa and is associated with a supply of working fluid, and includes rotational power apparatus having a rotational motion transfer member; a cylinder defining a longitudinal axis and... | 06/09/1998 |
| 5759016 | Device for continuously cooling apparatuses The proposal is for a device for continuously cooling apparatuses with at least one circulation mechanism to circulate a coolant, wherein the circulation mechanism has at least one drive mechanism and at least one distribution means driven by the at least... | 06/02/1998 |
| 5441390 | Worm pump for delivering a metal melt A worm pump for delivering a metal melt comprises a mounting flange, and a tubular pump housing mounted on, and suspended from, the mounting flange, the pump housing defining a lower inlet for receiving the metal melt and an upper outlet for delivering th... | 08/15/1995 |
| 5378119 | Air compressor having ventilated housing and motor/compressor pulley adjustment An air compressor includes an enclosed housing with a 12-volt electrical motor mounted to a bottom frame within said housing and a compressor pump located vertically above the motor within the housing and operably connected to the motor. A ventilation fan... | 01/03/1995 |
| 5344291 | Motor pump power end interconnect A combination frame arranged between a centrifugal pump and a driver, such as a motor, the combination frame having in a central region thereof a compartment for holding shaft bearings and a quantity of oil, and a pump adapter frame arranged between said ... | 09/06/1994 |
| 5326233 | Enclosed motor compressor of a two cylinder type An enclosed motor compressor of a two cylinder type in which a clearance between the eccentric portion of the second rotary shaft and the second sub bearing is set greater than a clearance between the eccentric portion of the first rotary shaft and the fi... | 07/05/1994 |
| 5185941 | Dryer blower cleanout door assembly A blower cleanout door assembly including a door panel pivotally connected to a blower housing for supporting a blower assembly including a blower wheel and motor for swinging movement of the door panel between a closed position covering a blower wheel op... | 02/16/1993 |
| 5092821 | Drive system for impeller shafts A drive system for impeller shafts includes a coupling that has a universal joint that is lubricated under all operating conditions. A housing is connected to the universal joint, which housing includes a hollow end portion adapted to receive the non-thre... | 03/03/1992 |
| 4780056 | Turbo-compressor having air cooled bearing A turbo-compressor air supply system for supplying air at relatively low pressure and high volume to a paint spray system or the like. The air supply system comprises a drive motor including a casing, a drive shaft projecting from the casing and air intak... | 10/25/1988 |
| 4778349 | Multiple machine drive shaft and coupling adapter assembly A drive shaft and coupling adapter assembly for connecting multiple rotary machines to be driven in tandem in a predetermined direction by a single source of power having a rotating power take-off, each machine having a housing with aligned shaft bearings... | 10/18/1988 |
| 4645430 | Wet motor gerotor fuel pump with self-aligning bearing A wet motor gerotor pump has an armature including first and second shaft ends. The outlet housing has a bore with a bushing mounted therein for positioning the second shaft end and for rotatably supporting the second shaft end, the bushing has an exterio... | 02/24/1987 |
| 4495947 | High speed medical ventilator A swash plate assembly converts rotary motion to reciprocatory motion to reciprocate a diaphragm in a high frequency medical ventilator; the motor which drives the assembly is pivotally mounted for variation of the stroke of reciprocation thereby varying ... | 01/29/1985 |
