Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7779744 | Vehicular hydraulic system with priority valve A vehicular hydraulic system with a pump and first and second hydraulic applications arranged in series. A valve is disposed whereby fluid from the pump flows through an inlet port, primary flow channel and outlet port of the valve to the first hydraulic application... | 08/24/2010 |
| 7739943 | Vehicular hydraulic system with pressure dump and relief valve arrangement A vehicular hydraulic system having a pump, first application, pressure-dump valve and second application arranged in series. The pressure-dump valve diverts a portion of the primary fluid flow past the second application when the pressure exceeds a threshold value.... | 06/22/2010 |
| 7739942 | Vehicular hydraulic system with pressure dump valve A vehicular hydraulic system with a pump and first and second hydraulic applications arranged in series. The fluid upstream of the first application may be elevated to a first threshold pressure value. A pressure-dump valve is disposed downstream of the first applic... | 06/22/2010 |
| 7730825 | Vehicular hydraulic system with priority valve and relief valve A vehicular hydraulic system having a pump, flow-splitting valve, first application and second application arranged in series. The flow-splitting valve diverts a portion of the primary fluid flow to the second application when the pressure exceeds a threshold value.... | 06/08/2010 |
| 7600463 | Oil pressure supply circuit for industrial vehicle A priority flow rate control valve (4) increases a distribution ratio of pressurized oil to a power steering device (1) of a fork-lift track via a power steering oil passage (9) as a differential pressure between a power steering pressure (PS) i... | 10/13/2009 |
| 7451686 | Fluid system with signal-mimicking device and associated method A fluid system comprises a static LS valve, a dynamic LS valve, a priority valve biased to preferentially supply pressurized fluid to both the static LS valve and the dynamic LS valve, and a signal-mimicking device fluidly coupled to a static LS port of the static L... | 11/18/2008 |
| 7360357 | Hydraulic steering system with input horsepower limiting circuit and increased fan speeds at low engine RPM A hydraulic system that provides hydraulic fluid to a power steering system of a vehicle at a substantially constant flow rate and can also divert excess hydraulic fluid to the air cooling fan of an associated vehicle at low engine speeds is disclosed. The resulting... | 04/22/2008 |
| 7327045 | Fuel delivery system and method providing regulated electrical output In a mobile fuel delivery vehicle, providing bulk aircraft fuel from a pressurized fuel reservoir to an aircraft, a method of regulating electrical output of an electrical power source, includes the steps of: (a) receiving, in a fluid path, the bulk aircraft fuel fr... | 02/05/2008 |
| 7270182 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 09/18/2007 |
| 7251934 | Work vehicle hydraulic system A hybrid hydraulic system for a work vehicle is provided that includes a first fixed displacement hydraulic pump whose outlet is connected to a priority valve. The priority valve, in turn, directs the pump's flow to a first group of closed center backhoe valves on a... | 08/07/2007 |
| 7240486 | Electro-hydraulic system for fan driving and brake charging An electro-hydraulic system for a machine may include a brake charging system including at least one accumulator. A fan drive system may include a fan and a fan motor. A fluid source may be in communication with the brake charging system and the fan drive system. Th... | 07/10/2007 |
| 7219593 | Saturation-proof hydraulic control device that is composed of two or more elements The invention refers to the field of hydraulic control devices and refers to a saturation-proof hydraulic control device with two or more elements; each element is composed of a six-way, two-position spool (4) of the proportional type, a pressure compensator ... | 05/22/2007 |
| 7219592 | Valve arrangement and hydraulic drive The invention concerns a valve arrangement for controlling a hydraulic drive, the supply to and the outflow from the hydraulic drive being separately controllable. It is endeavoured to realise separate controls of the speed and the hydraulic pressure of the hydrauli... | 05/22/2007 |
| 7216579 | Variable flow control devices, related applications, and related methods Devices for adjustably controlling a flow of fluid through a common passage and through first and second auxiliary passages are disclosed. The flow control devices may be used for controlling the steering of a vehicle having independently controlled driven structure... | 05/15/2007 |
| 7204186 | Fluid circuit for feeding primary and auxiliary users with preset priorities Fluid-dynamic circuit for supplying primary and auxiliary uses with preset priorities comprises a pressurised fluid source, at least one first use with primary priority, at least one second use with secondary priority, at least one third use with low priority; said ... | 04/17/2007 |
| 7131368 | Variable regeneration valve of heavy equipment Disclosed is a variable regeneration valve of a heavy equipment in which hunting due to repeated motion of a spool does not occur in a regeneration valve that supplies a return flow of an actuator to a supply port during single operation of the actuator or its compo... | 11/07/2006 |
| 7128679 | Methods and systems for improving the operation of transmissions for motor vehicles The present invention is directed to methods and systems for improving the operation of transmissions for automotive vehicles, and in particular the “factory installed” automotive transmissions installed by the original automobile manufacturer. The methods and s... | 10/31/2006 |
| 7114431 | Fluid powered apparatus for operating a mechanism during an emergency An apparatus includes a reservoir of a pressurized fluid connected to a supply conduit. A fluid powered actuator has a first port and an second port. A volumetric flow regulator has a valve element that controls fluid flow between an inlet chamber which receives flu... | 10/03/2006 |
| 7093657 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 08/22/2006 |
| 7069674 | Hydraulic circuit for backhoe A hydraulic circuit for use with a backhoe includes first, second and third pumps; left and right traveling unit valve sections-receiving pressure oil from the first and second pumps independently of each other; a front implement valve section receiving combined pre... | 07/04/2006 |
| 7036625 | Integrated hydraulic control system An integrated hydraulic control system includes a steering control unit and a priority flow divider integrated into a unitary casing. An interface fluidly couples the casing for the steering control unit and priority flow divider directly to a control valve casing. ... | 05/02/2006 |
| 7032332 | Method of controlling a backhoe An electronic control for damping oscillation of a swinging backhoe assembly includes a crossover valve that connects the hydraulic lines that supply hydraulic fluid to the boom swing cylinders to each other whenever an electronic controller senses incipient oscilla... | 04/25/2006 |
| 7025044 | Pump assembly and method A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the... | 04/11/2006 |
| 7011289 | Valve A sliding spool valve (1) is provided for controlling flow of fluid especially between an inlet (2) at a relatively high pressure and an outlet (6) at a relatively low pressure. Wherein the spool valve is reciprocally displaced between open and ... | 03/14/2006 |
| 6996982 | Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor A spool valve includes a first valve port coupled to a fluid source at a first pressure range, a second valve port coupled to a fluid source at a second, lower, pressure range, and first and second output ports coupled to a hydraulic device. The valve includes a val... | 02/14/2006 |
| 6959639 | Hydraulic booster brake system A hydraulic booster brake system includes a flow priority valve connected to a discharge portion of a hydraulic pump. To the flow priority valve are connected a brake booster and a power steering booster in parallel. The flow priority valve supplies a stipulated flo... | 11/01/2005 |
| 6955219 | Earth loop installation with sonic drilling A method for installing a heat exchange pipe loop in a borehole, the method in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill shoe on a lower end of the casing movable by the soni... | 10/18/2005 |
| 6931847 | Flow sharing priority circuit for open circuit systems with several actuators per pump A priority circuit is provided that is in communication with an open circuit pump and priority and auxiliary systems. The circuit comprises a first valve with an inlet in communication with the pump, an outlet in communication the priority system, and a load sensing... | 08/23/2005 |
| 6895852 | Apparatus and method for providing reduced hydraulic flow to a plurality of actuatable devices in a pressure compensated hydraulic system An apparatus and method for controlling hydraulic output to a plurality of actuatable devices are disclosed. The apparatus includes a plurality of main valves coupled, respectively, to the actuatable devices and to respective secondary valves, and also an adjustment... | 05/24/2005 |
| 6848255 | Hydraulic fan drive system A fan drive system includes a pump, at least one implement arrangement in fluid communication with the pump and a fan drive unit driveably connected to the pump. The fan drive unit is in fluid communication with the pump through a modulation valve. A signal operator... | 02/01/2005 |
| 6769348 | Hydraulic system with flow priority function A hydraulic system includes a pressurized fluid supply, a plurality of non-priority elements each including a signal port and a supply port, at least one priority implement including a signal port and a supply port and a priority valve arrangement. The priority valv... | 08/03/2004 |
| 6422121 | Hydraulic system A hydraulic system comprises a variable displacement pump. The hydraulic system includes a first device capable of being hydraulically powered by the pump and a reversing device adapted to cause the first device to autoreverse. The hydraulic system also i... | 07/23/2002 |
| 6397591 | Hydraulic driving unit A hydraulic drive system includes a pump control unit 18 for controlling a pump delivery rate such that a pump delivery pressure is held at a predetermined value higher than a maximum load pressure among actuators 2-6. Pressure compensating valves 12-16 a... | 06/04/2002 |
| 6345959 | Pump with integral pilot operated priority pressure regulating valve A fluid pump has a housing (4), a main output port (10), an auxiliary output port (14) and a priority pressure regulating valve contained with the housing (4). The priority pressure regulating valve has a spool (20) to direct fluid to one or both of the o... | 02/12/2002 |
| 6343469 | Hydraulic system regulator for a brake and steering system A hydraulic system (10) having a pump (12) for sequentially supplying a brake booster (14) and a steering gear (16) with hydraulic fluid to an assist in effecting a brake application and/or a steering application. The brake booster (14) has a housing (100... | 02/05/2002 |
| 6289675 | Hydraulic control circuit for a priority and for a secondary hydraulic consumer The invention concerns a hydraulic control circuit in which the pressure medium conveyed by a hydraulic pump of variable delivery (10) is fed, in each case via a metering aperture (17, 31), as a priority to a first hydraulic consumer (14) and only secondl... | 09/18/2001 |
| 6223763 | Hydraulic system for actuating at least two operational areas in a vehicle A hydraulic system for a vehicle including a distributor, or switch, valve for actuating at least two operational areas and supplying the two areas with sufficient amounts of hydraulic medium is provided. The distributor, or switch, valve preferably compr... | 05/01/2001 |
| 6134887 | Hydraulic control circuit for working members of earth-moving machines A hydraulic control circuit for, for example, working members of earth-moving machines such as backhoe loaders. A first and a second control section (9,10) are coupled to first and second linear hydraulic actuators (1,2; 3-8) through respective first a se... | 10/24/2000 |
| 6073536 | Automotive hydraulic system and method for driving a hydraulic accessory in parallel with a power steering unit An automotive hydraulic system having a power steering unit of a vehicle connected in parallel with an externally mounted, hydraulic-cylinder-powered accessory, such as a liftgate, snow plow or dump bed. The vehicle's power steering pump supplies the requ... | 06/13/2000 |
| 6047545 | Hydrostatic drive system A hydrostatic drive system is provided for a vehicle, in particular an industrial truck having a hydrostatic traction drive system (16), a hydraulic work system (20) and a hydraulic steering system (8). The drive system is compact and the energy utilizati... | 04/11/2000 |
