Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.