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7571500 |
Inflating/deflating device for an inflatable air mattress
An inflating/deflating device includes a fan unit disposed inside a main housing. A release valve assembly is connected to a deflating port of the main housing for fluid communication with a first...
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7372221 |
Device for adjusting the armature stroke in a reversible linear drive unit
A device for adjusting the armature stroke in a reversible linear drive unit comprising an excitation coil and an armature displaceable in the magnetic field of the excitation coil according to a...
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7314350 |
Energy store circuit for controlling rotor rotation
A fan controller for controlling the rotation of a rotor (with a fan blade) has a current limiting element to control current flow to a capacitive storage apparatus. More specifically, the fan...
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7284361 |
Vacuum machine for zipper bag
A vacuum machine for zipper a bag comprising a casing, a motor, vanes, a suction mouth, a suction opening, a vent, a power supply, a switch and so on, wherein the suction opening is disposed...
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7255294 |
Battery operated spray head having an improved housing
A three part housing for a battery powered spray head includes a left half shell, a right half shell and a hinged top. The batteries are located in the upper portion of the housing below the hinged...
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7121808 |
High frequency air pulse generator
An improved air pulse generator produces high frequency chest wall oscillations (HFCWO) and includes means for internal heat dissipation. Internal heat generated by an internal diaphragm motor is...
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7121433 |
Portable dispensing pump
A lightweight portable battery powered pump for moving fluids from a reservoir to a variety of end applications is disclosed. A simple and easy to manufacture centrifugal pump impeller and housing...
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7112036 |
Rotor and bearing system for a turbomachine
A rotor and bearing system for a turbomachine. The turbomachine includes a drive shaft, an impeller positioned on the drive shaft, and a turbine positioned on the drive shaft proximate to the...
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7021910 |
Solar energy operated air pump
A solar energy operated air pump includes a rectangular box having a lower lid connected to the bottom, an upper lid openably covering the top thereof and a solar cell inlaid into the upper lid...
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6993795 |
Portable liquid dispensers
A battery operated self-contained submersible liquid dispenser for dispensing discrete quantities of a liquid from a remote liquid reservoir is provided. The dispenser comprises a hermetically...
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6955527 |
Two-way mounting air pump with an inflation mode and a deflation mode
A two-way mounting mode air pump is constructed to include a housing affixed to an inflatable object, a battery case mounted in the housing, the battery case having a female coupling device and...
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6953329 |
Hurricane and power outage fan
A hurricane and power outage fan that includes a battery powered fan that is operable for a period of time on the power stored in a number of batteries provided with the fan. The battery-powered...
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6942468 |
Portable hydraulic pump unit
The invention relates to a portable hydraulic pump unit ( 1 ) comprising a housing ( 2 ), a pump ( 5 ), a drive motor ( 6 ) for the pump ( 5 ), in particular in the form of an electric drive motor,...
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6799506 |
Vacuum producing appliance
Vacuum producing appliance and associated food and beverage holding vessels, the vacuum producing appliance with a hollow housing, the housing enclosing a vacuum pump, a pressure switch, a vacuum...
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6793469 |
Inflatable product equipped with pump
An inflatable product includes an inflatable body, a socket, an electric pump, at least one battery and a connector. The socket is built in the inflatable body. The electric pump is connected to...
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6712586 |
Gas suction pump device, gas feed adapter and gas alarm unit
The invention provides a gas suction pump device equipped with a casing having a substantially rectangular frame-like sectional shape and formed slenderly in a gas flowing direction and into a size...
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6705360 |
Air compressor with removable programmable air gauge
An air compressor for use with direct source current sources such as the typical cigarette lighter found in most motor vehicles. The device is made up of an electrically powered air compressor...
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6666647 |
Neck fan for personal cooling
Provided is a neck fan for personal cooling which can be supported by a lanyard around a wearer's neck so that a cooling breeze may be directed to cool the wearer's face and neck area while the...
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6662580 |
Air-conditioning system for vehicle and its control method
An air-conditioning system for a vehicle, including a refrigerant circuit and an engine, has a battery, a compressor, an electric motor and a load torque control mechanism. The battery supplies...
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6652251 |
Electric pump
An electric pump includes a cylinder, a pumping element, a cap and a spring. The cylinder defines a space and at least one aperture in communication with the space and includes a first end defining...
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6638028 |
Stovetop blower apparatus for preventing boil over
A blower apparatus for preventing pots being used to heat liquid from boiling over. The blower apparatus includes a blower housing having an outlet nozzle; a blower assembly positioned in the...
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6623255 |
Fluid transfer apparatus
A fluid transfer apparatus utilizes a linear motor including a movable element in which magnetic poles are provided at a predetermined pitch along a moving direction, magnetic pole teeth provided...
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6616424 |
Drive system and method for the operation of a fuel cell system
A drive system for a compressor that delivers compressed air to a fuel cell system in a motor vehicle. The drive system includes an electric motor that drives the compressor. During normal...
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6601738 |
Lubricant dispenser
A lubricant dispenser comprising a housing, a lubricant supply container, a plunger, a telescopic hollow spindle, and an electromechanical servo-drive for changing the length of the telescopic...
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6503063 |
Portable air moving apparatus
A portable air moving apparatus for providing personal air cooling includes a container with open top and supported by plural wheels attached thereto. The container encloses electrical components...
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6481983 |
Handless or footless operation of an electrical automatic water flow control apparatus
A handless or footless operation of an electrical automatic water flow control apparatus for turning water on and off without touching the faucet lever of a faucet. The electrical water flow...
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6468057 |
Free piston pump
A free piston pump has a pump housing defining a chamber, and a free piston located within the chamber. The free piston defines one (or more) pumping chamber(s). Each pumping chamber receives fluid...
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6464468 |
Personal smoke repeller
A personal fan construction 10 for blowing noxious fumes and odors away from a user's breathing passages and including a fan unit 13 mounted on a housing member 30 that is provided with at...
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6422835 |
Compact, portable combination dust blowing and swabbing apparatus
A combination dust blowing and swabbing apparatus is provided having a cylindrical housing having an outer surface and a fan exit nozzle and a fan housed within the fan exit nozzle. A fan inlet...
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6354816 |
Apparatus for automatically feeding lubricating oil
An automatic lubricating oil feeding apparatus for automatically feeding lubricating oil at predetermined intervals to rotary driving parts of various kinds of machines where bearings are...
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6332760 |
Inflatable product provided with built-in battery case and socket
An inflatable product includes an inflatable body, a socket, an electric pump and a battery case. The socket is built in the inflatable body. The electric pump is detachably connected to the socket...
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6328543 |
Gear pump and replaceable reservoir for a fluid sprayer
A gear pump and reservoir device for a fluid sprayer comprises a pump housing having a recessed portion for receiving and sealing thereto a fluid reservoir and a cavity for locating a drive motor...
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6290469 |
Hand held, self-powered pump
A portable, self-contained pump having a battery carried on board. The pump includes a pumping device for forcing liquids to flow, such as those including impellers, plungers or reciprocating...
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6220830 |
High efficiency blower and solar-powered soil remediation system
A high efficiency blower (14) includes a body (18) having an inner venturi surface (22) aligned with a flow axis (38) through the body. A motor/fan assembly (36) includes a motor (42) and a fan...
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6206298 |
DC powered low resistance water pump and a waterworks display employing said pump
A cascade waterfall or water fountain display with a compact, energy-efficient, low cost DC powered water pump. An electronic controller controls the operation of the water pump and is also used to...
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6136184 |
Liquid chemical delivery system
A liquid chemical delivery system (20) has a pump (27) driven by an electric motor (28) to draw a liquid from a bottle (21) and dispenses the liquid into a septic system (12). Separate independent...
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6095767 |
Independent ceiling fan
The present invention relates to ceiling fans which are powered by rechargeable batteries. The fans do not require energy from hard-wired sources, and are hence deployable in any location desired...
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6050779 |
Conveying apparatus using unstable electric power supply
A conveying system comprising a pump whose power source is an unstable electric power supply, such as a solar cell; a first supply pipe for conveying liquid from an intake to the pump; a second...
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6045341 |
Levitation blower
A levitation hand-holdable blower comprises a pistol like housing that has a butt 10 and a barrel 11. A motor 12 and a fan provide a flow of air along a channel and out of vents 17 to support a...
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5931207 |
Portable home and garden sprayer, power unit
A multi purpose portable hand held compressed air power unit for spraying liquids from a tank or for inflating inflatable items. Said power unit having a trigger operated battery system and...
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5890882 |
Inflator with drop-in batteries and universal adapters
A portable, battery powered inflator with removable batteries which are switch activated. The inflator has an air intake and output for delivering air into a variety of air bladders with different...
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5887430 |
Hydraulic source and hydraulic machine
A hydraulic source(20) comprises a hydraulic pump(62) driven by a motor(61), which operates based on the power and control data from a non-contact power feeding apparatus(30); a hydraulic tank(63);...
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5772405 |
Water system with a pedal powered reciprocating pump
A water system includes a reciprocating pump operated by pedal power. The pumpstand includes a housing in which a foot pedal and a drive shaft rotate. An eccentric pin, rotating with the drive...
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5742147 |
Dc based powering and charging circuit for compressor systems and other mechanical devices
A DC powered compressor system that uses a series of 12 volt batteries to provide multiple units of 12 volts power to a compressor motor as needed. A circuit arrangement comprises: a series of 12...
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5725356 |
Portable fan device
A portable fan for use on a child 's stroller. The fan has a housing, an electric motor in the housing powered by a source such as a battery so that the motor does not require any physical...
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5669323 |
Automatic bailer
An automatic bailer is used to remove water from an open vessel such as a whitewater canoe. The bailer utilizes a submersible pump that is connected to a power supply through flexible connections....
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5658128 |
Boiling pot overflow prevention apparatus
A boiling pot over flow prevention apparatus is disclosed comprised of a flexible, directional nozzle focussing a direct stream of cool air directly downward into a boiling pot. A stabilized a base...
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5639226 |
Portable, battery operated air pump
A portable, battery operated air pump comprising a battery power supply, an electric motor having a drive shaft, a drive wheel affixed to the motor shaft, a driven wheel mounted on a pivot pin and...
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5610958 |
Reactor circulating pump system
A reactor circulating pump system comprises a pump and a power supply apparatus for driving the pump. In the power supply apparatus, an AC/DC converter and a DC/AC converter provided with an AC...
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5605448 |
AC fuel pump
An AC pump sutiable for use in a locomotive having a DC auxiliary electrical system. The pump includes an AC motor having a housing and a vertically mounted rotor. A pumpbody is clamped into place...
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