Patent application number | Description | Published |
20090116972 | PRESSURE WASHER PUMP HOUSING STAND - An apparatus and method support a pressure washer pump housing with a stand directly connected to the pressure washer pump housing. | 05-07-2009 |
20090236300 | ACCESSORY TRAY FOR A PRESSURE WASHER - An accessory tray for a pressure washer. The accessory tray of some embodiments has an accessory supporting portion for supporting and/or storing accessories of the pressure washer. The accessory supporting portion has a concave surface, which allows the accessories to be supported substantially normal to the ground regardless of the relative angle between the accessory tray and the ground. Some embodiments also have a flexible cantilevered member positioned above a portion of the accessory tray to trap an accessory against the accessory tray. Some embodiments can have a hose hook that supports and stores a hose of the pressure washer. The hose hook has a concave shape to allow the hose to be supported substantially normal to the ground. | 09-24-2009 |
20090255884 | HOSE HOOK FOR A PRESSURE WASHER - An accessory tray for a pressure washer. The accessory tray of some embodiments has an accessory supporting portion for supporting and/or storing accessories of the pressure washer. The accessory supporting portion has a concave surface, which allows the accessories to be supported substantially normal to the ground regardless of the relative angle between the accessory tray and the ground. Some embodiments also have a flexible cantilevered member positioned above a portion of the accessory tray to trap an accessory against the accessory tray. Some embodiments can have a hose hook that supports and stores a hose of the pressure washer. The hose hook has a concave shape to allow the hose to be supported substantially normal to the ground. | 10-15-2009 |
20090317262 | ENGINE SPEED CONTROL FOR PRESSURE WASHER - A pressure washer includes a water pump and a pressure-sensitive member attached to the water pump. The pressure washer also includes a wire having a first end attached to the pressure-sensitive member. The pressure-sensitive member relays a change in water pressure within the pump through the wire. Additionally the pressure washer includes an engine having a governor spring attached to the wire. Movement of the wire changes a tension of the governor spring. The engine also has a throttle plate attached to the governor spring. The governor spring biases the throttle plate. | 12-24-2009 |
20100243086 | BOOSTER WATER SPRAYING SYSTEM - A garden hose spray system includes a water pump and a controller with a switch for engaging and disengaging the pump. The pump is used for boosting a water flow through the system. The controller is in communication with the pump, and directs the switch to engage the pump when the water flow exceeds a predetermined, non-zero threshold flow rate. In certain embodiments, the system further includes a variable outlet. The variable outlet is operable at a first flow setting for a flow rate greater than the threshold and a second flow setting for a non-zero flow rate less than the threshold. | 09-30-2010 |
20100270402 | TURBULENCE CONTROL ASSEMBLY FOR HIGH PRESSURE CLEANING MACHINE - An assembly for controlling water turbulence through a high pressure cleaning machine includes a nozzle body, which has an inlet, an outlet, and a flow path. The nozzle body has a fastening end that is designed to couple the nozzle body to a pressure washer, at an end of a spray gun shaft, for example. The nozzle body also includes a plurality of conduits (e.g., an array of tubules) arranged in parallel with each other along the flow path and located between the inlet and the outlet. Additionally the nozzle body may include a screen or screens positioned along the flow path. The plurality of conduits and the screens are designed to reduce a turbulence of a water flowing through the assembly. | 10-28-2010 |
20100278662 | POWER EQUIPMENT BASE PLATE - A pressure washer includes an engine having a vertical shaft and a pump designed to be powered by the engine. Additionally, the pressure washer includes a base plate, where the engine is coupled to the base plate with a first set of fasteners and the pump is independently coupled to the base plate with a second set of fasteners. The base plate is designed to allow the engine to be unfastened and removed from the base plate without also unfastening the pump. | 11-04-2010 |
20100282187 | ENGINE WITH TOP-MOUNTED TOOL - A pressure washer system includes a mounting platform, a water pump, and a motor mounted to the mounting platform. The water pump has a housing with an inlet and an outlet. The motor is attached to the water pump such that the motor is designed to drive the water pump. The motor is mounted vertically below the water pump. | 11-11-2010 |
20100282862 | PRESSURE WASHER WITH THROTTLE CONTROL - A pressure washer includes a frame and an engine coupled to the frame. The engine has a throttle configured to control the speed of the engine. The pressure washer also includes a pump attached to the frame. The pump includes a housing with an inlet and an outlet formed in the housing. A flow path extends between the inlet and the outlet. The pump has a through mode, permitting water to flow through the flow path. And, the pump has a bypass mode establishing a recirculation circuit. The pressure washer also includes a pressure-sensitive member positioned along the flow path and attached directly to the recirculation circuit when the pump is in the bypass mode. The pressure-sensitive member has a first response to a water pressure occurring during the bypass mode and a second response to a water pressure occurring during the through mode. The pressure washer further includes a line of communication between the pressure-sensitive member and the throttle. When the pressure-sensitive member has the first response, the throttle sets a first engine speed, and when the pressure-sensitive member has the second response, the throttle sets a second engine speed. | 11-11-2010 |
20100282866 | CHEMICAL INJECTOR FOR SPRAY DEVICE - A spray device, such as one used with a pressure washer, includes a housing, a chemical container coupled to the housing, and a chemical conduit coupled to the container. The chemical conduit has an inlet and an outlet forming a chemical flow path therebetween. The spray device further includes a chemical flow controller allowing a user to adjust a chemical flow rate through the chemical conduit. Further, the spray device includes a water conduit forming a water flow path through the housing, the water conduit terminating at a spray orifice. The chemical flow path and the water flow path merge at a point proximate the orifice. | 11-11-2010 |
20100289333 | POWER DISTRIBUTION DEVICE - A window power distribution device includes a housing with an extension attached to the housing. Together, the housing and extension are designed to form a seal in a window opening. The window power distribution device also includes an electrical input attached to the housing, a display, and a socket, where the socket is wired to the input. The display is designed to provide information relating to the power distribution device. | 11-18-2010 |
20100315246 | ENGINE OIL-LEVEL DETECTION SYSTEM - An oil-level detection system for an engine-powered product includes a dipstick designed to be received within a crankcase. The system further includes a detector attached to the dipstick, where the detector is designed to sense, from within the crankcase, a level of oil within the crankcase. The system also includes a display in communication with the detector. The display identifies information to a user related to the level of oil within the crankcase, without the user opening the crankcase. | 12-16-2010 |
20100326034 | LAWN MOWER BLADE COUPLING SYSTEM - A rotary lawn mower includes an internal combustion engine having a power take-off. The mower further includes a connector adaptor attached to the power take-off, and a lawn mower blade. A connector base of the mower is attached to the blade. The connector base and the connector adaptor have extensions designed to interlock the connector base with the connector adaptor. At least one of the extensions forms a J-shaped structure arranged longitudinally along an axis of rotation of the connector base and connector adaptor. | 12-30-2010 |
20110014066 | GARDEN HOSE BOOSTER WATER PUMP SYSTEM - A booster pump system, for boosting a flow of water from a water source, includes a housing having a retractable handle. The booster pump system also includes a water pump positioned within the housing. The pump has an inlet and an outlet, and is designed to raise the pressure of the flow of water by an amount in a range of 20-200 pounds per square inch. The pump is also designed to raise the flow rate of the flow of water by an amount in a range of 0.5-5 gallons per minute. The booster pump system further includes a hose reel positioned within the housing, where the hose reel supports a garden hose attached to the outlet of the pump. | 01-20-2011 |
20110017168 | WEIGHTED CENTRIFUGAL CLUTCH - A pressure washer system includes a combustion engine having a power takeoff. The center of the power takeoff defines an axis of rotation. The pressure washer system further includes a centrifugal clutch coupled to the power takeoff. The clutch comprises a flywheel having a center of mass positioned along the axis of rotation. The pressure washer system also includes a water pump coupled to the clutch output shaft. | 01-27-2011 |
20110089265 | HOSE COUPLING SYSTEM - A hose coupling system includes a housing, a valve plug, and a locking mechanism. The housing has an inlet and an outlet, and a flow path between the inlet and the outlet. The valve plug is positioned within the housing along the flow path, and is rotatable between a closed orientation and an opened orientation. The closed orientation blocks the flow path and the opened orientation unblocks the flow path. The locking mechanism is designed to releasably fasten an instrument to the housing, where the locking mechanism is adjustable between a locked position and an unlocked position. The locking mechanism and the valve plug are coupled such that adjusting the locking mechanism to the unlocked position rotates the valve plug to the closed orientation. | 04-21-2011 |
20110114123 | DISTANCE INDICATOR - A method and apparatus utilize a first beam emitter and a second beam emitter coupled to the first beam emitter. The first beam emitter and the second beam emitter move in unison between a plurality of positions to indicate a plurality of distances separating the first beam emitter and the second beam emitter from endpoints of beams emitted by the first beam emitter and the second beam emitter. | 05-19-2011 |
20110142685 | PUMP UNLOADER VALVE AND ENGINE THROTTLE SYSTEM - A pressure washer system includes an engine, a water pump, a sprayer, an unloader, and a link. The engine has a throttle system designed to control the speed of the engine. The water pump includes an inlet, a pumping mechanism, and an outlet. The pumping mechanism is designed to be driven by the engine. The sprayer is attached to the outlet of the water pump. The unloader is designed to direct water toward the inlet of the water pump when the unloader is in a first configuration, and to direct water toward the sprayer when the unloader is in a second configuration. Water pressure generated when the sprayer is not actuated moves the unloader to the first configuration. The link connects the unloader and the throttle system of the engine, where the link is designed to adjust the throttle system to a first engine speed when the unloader is in the first configuration, and to adjust the throttle system to a second engine speed when the unloader is in the second configuration. | 06-16-2011 |
20110147492 | HOSE - A hose includes a first tubular core, a second tubular core, a reinforcement and a jacket. The first tubular core has a first conduit opening into a first passage at a first end of the first conduit and opening into a second passage at a second end of the first conduit. The second tubular core has a second conduit opening into the first passage at a first end of the second conduit and opening into the second passage at a second end of the second conduit. The reinforcement is sandwiched between the first tubular core and the second tubular core. The jacket extends about and interconnects the first tubular core and the second tubular core. | 06-23-2011 |
20110171045 | PRESSURE WASHER PUMP - A high-pressure water pump for a pressure washer system includes an elliptical cam, a piston, and an unloader. The elliptical cam is designed to be powered by a prime mover, and is rotatable between a first orientation and a second orientation. The piston is designed to be driven within a chamber by the elliptical cam. During operation of the water pump, a flow of water enters the chamber through an inlet when the elliptical cam rotates to the first orientation. The flow of water exits the chamber at an increased pressure through an outlet when the elliptical cam rotates to the second orientation. The flow of water then exits the water pump through the unloader, which is designed to control pressure fluctuations in the flow of water, and is attached to the outlet of the chamber. | 07-14-2011 |
20110290827 | GARDEN HOSE BOOSTER SYSTEM - A garden hose booster system includes a pump for pressurizing water, a motor connected to and designed to drive the pump, and a housing supporting the pump and the motor. The garden hose booster system further includes an inlet conduit, an outlet conduit, and a storage container. The inlet has a first garden hose coupling on an end thereof, and extends into the housing to direct the water to the pump. The outlet conduit has a second garden hose coupling on an end thereof, and extends out of the housing to direct the water from the pump. The storage container includes a bottom designed to be mounted to the top of the housing and a side wall extending upward from the bottom. The side wall and the bottom form an open volume within which a garden hose may be piled or coiled for storage thereof. The outlet conduit extends into the open volume of the storage container such that the garden hose stored in the storage container may be coupled to the second garden hose coupling and may receive a boosted water flow during operation of the garden hose booster system. | 12-01-2011 |
20110291847 | Power Line Carrier (PLC) Communication of Standby Generator Status - A method and system for remotely monitoring the status of a standby generator. The system includes a PLC transmitter in communication with the control unit for the generator. The PLC transmitter receives error codes from the control unit of the generator and transmits encoded error codes over the power distribution network in a home using a PLC frequency. A remote status display device can be connected to the power distribution network in the home at any convenient location. The remote status display device includes a PLC receiver that decodes the error codes. The decoded error codes are displayed on a display of the remote status display device for viewing by the home occupant at a location remote from the standby generator. | 12-01-2011 |
20110315176 | ENGINE SPEED CONTROL FOR A PRESSURE WASHER - A pressure washer includes a prime mover, a pump, an unloader valve, and a control mechanism. The prime mover has a speed control system, and the pump is connected to the prime mover and driven thereby during operation of the pressure washer. The unloader valve is connected to the pump and permits flow to an outlet of the pressure washer when in a first configuration, but directs the flow to a recirculation circuit when in a second configuration. The control mechanism is connected to the unloader valve, and is designed to receive a signal from the unloader valve that is related to the configuration of the unloader valve. The control mechanism conditions the signal and communicates the signal to the speed control system, where the speed of the prime mover is set at least partially as a function of the signal. | 12-29-2011 |
20110315792 | NOZZLE FOR A PRESSURE WASHER - A nozzle for use with a sprayer, such as a spray gun for a pressure washer or a garden hose system, includes a body, which has an inlet for receiving a pressurized flow of water. The nozzle further includes first and second outlets, and first and second passages. The first and second outlets are formed in an end of the body. The first passage extends between the inlet and the first outlet, and the second passage extends between the inlet and the second outlet. The first and second passages are substantially straight and parallel to one another. During operation of the nozzle, the pressurized flow of water from the inlet is split, passes through the first and second passages, and exits the body from the first and second outlets. | 12-29-2011 |
20120006431 | WATER SPRAYER - A water spray gun includes a body providing a flow path, a head configured to rotate relative to the body, and a chemical container coupled to body. The head includes a plurality of nozzles that may be rotated into and out of the flow path. At least one of the plurality of nozzles includes a group of small orifices. The chemical container is configured to provide chemicals to the flow path. | 01-12-2012 |
20120018534 | SPRAY GUN AND LANCE FOR A PRESSURE WASHER - A lance for a pressure washer spray gun includes an inlet, a first conduit and first outlet, a second conduit and second outlet, and a chemical conduit. The inlet has a first fitting for coupling the lance to a handle of the pressure washer spray gun. The first conduit is coupled to the inlet such that the first conduit is designed to receive water flowing from the inlet. The first outlet is located on an end of the first conduit, and has a second fitting for attachment of a first nozzle body to the first outlet. The second conduit is coupled to the inlet such that the second conduit is also designed to receive the water flowing from the inlet. The second outlet is located on an end of the second conduit, and has a third fitting for attachment of a second nozzle body to the second outlet. The chemical conduit is coupled to the second conduit, and is designed to provide chemicals to the water flowing from the inlet received by the second conduit. | 01-26-2012 |
20120018540 | SPRAY GUN - A spray gun for controlling a pressurized flow of water from a water source includes a housing, a garden hose coupling, a spray head, a valve, a trigger, and a mechanism coupled to the trigger and the valve. The housing has a conduit extending through the housing, defining a flow path for the pressurized flow of water. The garden hose coupling is located on a first end of the conduit, and the pressurized flow of water enters the spray gun by way of the garden hose coupling. The spray head is connected to the housing on a second end of the conduit, and the pressurized flow of water exits the spray gun by way of the spray head. The valve includes at least one of a ball valve and a barrel valve, and is positioned along the conduit between the first and second ends of the conduit. The valve is rotatable relative to the conduit to open, partially close, and fully close the flow path. Movement of the trigger is received by the mechanism and converted to a rotation of the valve. | 01-26-2012 |
20120020809 | IDLE DOWN CONTROL FOR A PRESSURE WASHER - A method of controlling the speed of an engine includes positioning a throttle at an operating position between an idle position that reduces the engine speed to an idle speed, and a normal speed position at which the engine runs at a speed greater than the idle speed, collecting a fluid within a manifold, sensing a pressure within the manifold, and adjusting the operating position of the throttle in response to the sensed pressure. When the sensed pressure is low, the throttle is moved toward the idle position and when the pressure is high, the throttle is moved toward the normal speed position. The method further includes positioning an unloader downstream of the manifold, the manifold configured in one of a first position in which the unloader directs fluid from the manifold to the pump, and a second position in which the unloader directs fluid to a point of use. | 01-26-2012 |
20120055130 | LAWN MOWER AND SPREADER SYSTEM - A lawn mower and spreader system includes a deck, a hopper, and a spreading element. The deck supports an engine having a power takeoff and at least partially surrounds a blade coupled to the power takeoff. The hopper is configured to support granular fertilizer. Furthermore, the hopper has a discharge chute leading to an opening in the deck. The spreading element is coupled to the power takeoff of the engine and is positioned between the deck and the blade. The spreading element includes a hub and arms that extend laterally from hub. The arms are spaced apart from one another by open slots. | 03-08-2012 |
20120260617 | CHARGING STATION FOR BATTERY-POWERED LAWN MOWER - A lawn mower system includes a lawn mower and a charging station. The lawn mower includes a rechargeable battery, an electric motor powered by the battery, and a secondary coil electrically coupled to the battery. The charging station includes a primary coil configured to induce a current in the secondary coil for charging the battery of the lawn mower. | 10-18-2012 |
20120261927 | POWER TRANSFER SYSTEM FOR A GENERATOR - A system for transferring power includes an internal combustion engine and a generator driven by the engine. The system further includes a primary conductor coupled to the generator and a secondary conductor. The secondary conductor is physically independent from the primary conductor and configured to receive energy from the primary conductor through induction. | 10-18-2012 |
20130079182 | PULLEY SYSTEM FOR OUTDOOR POWER EQUIPMENT - A method of manufacturing a pulley system includes spin-forming metal to form an annular wall of a sheave, pressing powdered metal to form a hub of the sheave, and fastening together the annular wall and the hub. | 03-28-2013 |
20130146494 | FUEL FILLING SYSTEM - An apparatus and method sense a level of fuel in the fuel tank and actuate one or more lights to different states based upon the sensed level of fuel in the fuel tank. | 06-13-2013 |
20130214059 | WATER SPRAYING SYSTEM - A water spraying system is configured for a variety of outdoor cleaning applications. In one embodiment, the water spraying system includes a water pump assembly having a water pump, a receiver configured to receive wireless communications, and an actuator coupled to the receiver and configured to change at least one of water pressure and flow rate provided by the water pump. A spray gun is configured to spray water provided by the water pump and includes an electronic display, circuitry configured to provide a graphical user interface via the electronic display, and a transmitter configured to wirelessly provide instructions to the actuator by way of the receiver based on input provided by the operator such that the operator may change at least one of the water pressure and the flow rate provided by the water pump via the graphical user interface of the spray gun. | 08-22-2013 |
20130216402 | WATER PUMP - A water pump includes a base, a cam, a joint, and a piston. The base includes a PTO-attachment portion, a cam-attachment portion, a first contact surface, and a second contact surface. The cam includes a central opening, a first cam contact surface, and a second cam contact surface, wherein the cam-attachment portion of the base extends into the central opening. The joint pivotally couples the cam to the cam-attachment portion of the base. In a first operating position of the cam, the first contact surface engages the first cam contact surface so that the cam is positioned at a first angle relative to the axis of PTO rotation. In a second operating position of the cam, the second contact surface engages the second cam contact surface so that the cam is positioned at a second angle, greater than the first angle, relative to the axis of PTO rotation. | 08-22-2013 |
20130269306 | NOISE-REDUCING MOWER BLADE - A mower blade includes a body including an axis of rotation about which the blade is configured to rotate, a first body portion extending in a first direction from the axis of rotation, and a second body portion extending in a second opposite direction from the axis of rotation, wherein the second body portion is asymmetrically shaped with respect to the first body portion such that the center of mass of the blade lies on the axis of rotation. | 10-17-2013 |
20130277451 | WATER SPRAYING SYSTEM - A water spraying system includes an engine, a pump driven by the engine, the pump including a pump inlet configured to be fluidly coupled to a water source and a pump outlet providing water at an increased water pressure, a sprayer fluidly coupled to the pump outlet, the sprayer including a flow restriction valve and a trigger for manipulating the flow restriction valve so that movement of the trigger selectively opens and closes the flow restriction valve, a flow sensor configured to sense a flow of water into the pump, and a controller coupled to the flow sensor. The controller is configured to turn off the engine following a set time period of sensed flow below a threshold flow. | 10-24-2013 |
20140203102 | WATER SPRAYING SYSTEM - A water spraying system includes an engine, a pump driven by the engine, the pump including a pump inlet configured to be fluidly coupled to a water source and a pump outlet providing water at an increased water pressure, a sprayer fluidly coupled to the pump outlet, the sprayer including a flow restriction valve, a trigger for operating the flow restriction valve, and a wireless transmitter configured to transmit a wireless start signal indicating release of the flow restriction valve, a wireless receiver, and a controller coupled to the wireless receiver, wherein the wireless receiver receives the wireless start signal from the wireless transmitter and in response the controller activates the pump by starting the engine. | 07-24-2014 |
20140237864 | SNOWTHROWER IMPELLER ASSEMBLY WITH RIGID CUTTING IMPLEMENT - An impeller assembly for a snowthrower includes a driven shaft configured to rotate about an axis, a flexible impeller paddle coupled to the driven shaft for rotation about the axis, and a rigid cutting implement coupled to the driven shaft for rotation about the axis. The flexible impeller paddle is configured to clear snow from a surface to be cleared. The flexible impeller paddle extends radially from the axis to a paddle radial distance. The rigid cutting implement is configured to break up snow or ice on the surface to be cleared. The rigid cutting implement extends radially from the axis to a cutting implement radial distance less than the paddle radial distance. | 08-28-2014 |
20150021412 | CHEMICAL INJECTOR FOR SPRAY DEVICE - A spray device, such as one used with a pressure washer, includes a housing, a chemical container coupled to the housing, and a chemical conduit coupled to the container. The chemical conduit has an inlet and an outlet forming a chemical flow path therebetween. The spray device further includes a chemical flow controller allowing a user to adjust a chemical flow rate through the chemical conduit. Further, the spray device includes a water conduit forming a water flow path through the housing, the water conduit terminating at a spray orifice. The chemical flow path and the water flow path merge at a point proximate the orifice. | 01-22-2015 |