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Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 8033209 | Lifting mechanism, and method for triggering a lifting mechanism A lifting mechanism has a continuously variable lifting mechanism valve, with a multi-position valve, by way of which a lifting cylinder can be made to communicate with a pump or a tank. In the flow path of the pressure fluid from the multi-position valve to a press... | 10/11/2011 |
| 7930970 | Control unit for work machine A control unit for a work machine that allows automatically obtaining optimal operability even when the weight of a work arm in the work machine is changed. In a work machine where at least a part of a work arm to be operated by a fluid pressure actuator is provided... | 04/26/2011 |
| 7513188 | Force-based power steering system A power steering system includes a power cylinder, an accumulator, a reservoir, a pair of valves, and a pair of pressure transducers. The system selectively fluidly couples the accumulator and/or reservoir to the double-acting power cylinder and thereby causes the p... | 04/07/2009 |
| 7444920 | Valve arrangement for the activation of a structural element The valve arrangement for the activation of a structural element has three inlet switching valves through which a pressure-loaded medium can be conducted. These inlet switching valves are connected on their inflow side to a pressure supply by inflow lines and are ar... | 11/04/2008 |
| 7406982 | Hydraulic system control method using a differential pressure compensated flow coefficient A hydraulic system has an electrohydraulic valve that controls flow of fluid to operate a hydraulic actuator, such as a cylinder or motor. A set of characterization data is provided which describes performance of the electrohydraulic valve as a function of changes i... | 08/05/2008 |
| 7373869 | Hydraulic system with mechanism for relieving pressure trapped in an actuator Pressure trapped in an inactive hydraulic actuator can result in the actuator moving in a direction which is opposite to that desired upon subsequent activation. The present method detects a trapped pressure condition and takes remedial action before activating the ... | 05/20/2008 |
| 7364147 | Workpiece support device A projection amount of rod can be adjusted, and workpiece with various shapes or easily deformable workpiece can be stably supported. When an opening/closing valve is switched to an opening position and a working medium flows and is injected from one medium chamber ... | 04/29/2008 |
| 7364004 | Apparatus for use in turning steerable vehicle wheels An apparatus (10) for use in turning steerable vehicle wheels (14, 16) includes a hydraulic power steering motor (12). A pump (26) is operable to supply hydraulic fluid to the power steering motor (12). A gearset (50) is con... | 04/29/2008 |
| 7353743 | Multi-valve fluid operated cylinder positioning system A position control system is used for controlling a fluid operated cylinder having at least one fluid chamber defined by a piston located within a housing for movement between first and second end limits of travel. The system includes at least two electrically actua... | 04/08/2008 |
| 7320335 | Electrohydraulic control device A electrohydraulic control device H for the direction control of a hydro-motor, particularly for working pressures u to more than about 450 bar in a portable working device, comprises working lines A, B and a pressure line P and a respective load holding valve LA, L... | 01/22/2008 |
| 7308848 | Pressure control valve having intrinsic feedback system A method and system for controlling the dynamics of an actuatable load operable within a servo or servo-type system, wherein the dynamics of the load are controlled by way of a unique pressure control valve configured to provide intrinsic pressure regulation, thus e... | 12/18/2007 |
| 7296669 | Simple action actuator with a hydraulic fast-opening valve for controlling a clutch An actuator with a simple function for the control of a friction clutch in the drive train of a motor vehicle having a cylinder/piston unit for generating the contact pressure of the clutch should be fast, inherently safe and nevertheless simple and inexpensive. For... | 11/20/2007 |
| 7284471 | Pressure control valve having intrinsic mechanical feedback system A method and system for controlling the dynamics of an actuatable load functioning or operable within a servo or servo-type system, wherein the dynamics of the load are controlled by way of a unique pressure control valve configured to provide intrinsic pressure reg... | 10/23/2007 |
| 7263924 | Hydraulic circuit and its valve gear To simplify a circuit structure and a path structure in a hydraulic circuit having a pilot check valve and an overload relief valve and to reduce the size of a gear. The hydraulic circuit includes a pump port; a tank port; a first actuator port; a second actuator po... | 09/04/2007 |
| 7252030 | Hydraulic control circuit and method thereof Disclosed is a hydraulic control circuit and method thereof for reducing heat generation and energy losses caused by overload. The hydraulic control circuit of the present invention includes a control lever for generating a manipulated signal according to a manipula... | 08/07/2007 |
| 7243591 | Hydraulic valve arrangement The invention concerns a hydraulic valve arrangement (1) with a working connection arrangement having a first working connection (A) and a second working connection (B), both working connections (A, B) being connectable with a hydraulic consumer (2), a... | 07/17/2007 |
| 7219591 | Hydraulic control arrangement What is disclosed is a hydraulic control arrangement for controlling a hydraulic consumer, comprising an adjustable supply measuring orifice and an adjustable drain measuring orifice as well as a pressure compensator arranged in a pressure medium delivery. The contr... | 05/22/2007 |
| 7216578 | Hydraulic actuating device The invention relates to a hydraulic actuating device for a movable component of a vehicle, in particular a closure element for closing an opening in a vehicle body, such as for example a movable roof, such as a folding roof or a retractable hard top. The hydraulic ... | 05/15/2007 |
| 7213502 | Robustly stable servo-controlled metering poppet valve A poppet valve assembly with a control chamber that can be fluidly connected to a number of different hydraulic ports via a pilot valve assembly. The poppet valve assembly includes a poppet valve member whose movement is controlled by filling or draining the control... | 05/08/2007 |
| 7210292 | Hydraulic system having variable back pressure control A hydraulic system for a work machine having a linkage system is disclosed. The hydraulic system has a tank configured to hold a supply of fluid and at least one hydraulic actuator associated with the linkage system to affect movement of the linkage system. The at l... | 05/01/2007 |
| 7210396 | Valve having a hysteretic filtered actuation command The present disclosure is directed to a valve system including a controller and a valve including a valve element and a valve bore. The valve element is selectively movable relative to the valve bore at least partially in response to a signal communicated from a con... | 05/01/2007 |
| 7207791 | Device for the production of transversely ribbed pipes Described is an apparatus for the production of transversely ribbed tubes comprising mold jaw halves which are movable in a condition of bearing against each other along two guide. The guide paths have a common mold section, a respective return section and two respe... | 04/24/2007 |
| 7182194 | Low power modulating clutch control system with combination accumulator and piston actuator A power transmission device includes a rotary input member receiving drive torque from a source of torque, a rotary output member for providing drive torque to an output device and a torque transfer mechanism for transferring drive torque between the input member an... | 02/27/2007 |
| 7178654 | Low power modulating clutch control system A power transmission device includes a rotary input member adapted to receive drive torque from a source of torque, a rotary output member adapted to provide drive torque to an output device and a torque transfer mechanism operable to transferring drive torque from ... | 02/20/2007 |
| 7159506 | State detecting device for load element receiving load of working fluid and state detecting device for fluid pressure control circuit The load element state detecting portion 72 detects the completion of the filling of the hydraulic oil into the clutch 62 and the working limit of the accumulator 64 on the basis of the displacement of the spool valve element 42. That is,... | 01/09/2007 |
| 7130721 | Electrohydraulic control system Consistent with an aspect of the disclosure, a method for controlling a hydraulic cylinder is provided. The hydraulic cylinder is provided with a chamber and configured to receive fluid from a valve. The method includes receiving a user input and determining a desir... | 10/31/2006 |
| 7121187 | Fluid powered control system with a load pressure feedback An apparatus controls fluid flow to an actuator. A feedback mechanism responds to a pressure differential that occurs across the actuator by altering the fluid flow. That pressure differential indicates acceleration of the actuator that can occur when the load actin... | 10/17/2006 |
| 7080589 | Hydraulic cylinder The invention relates to a hydraulic cylinder comprising a piston rod bearing at least one tool receiving element. Said hydraulic cylinder is characterized by an automatic disconnection device which is controlled in a hydraulic-mechanical manner, with a medium for t... | 07/25/2006 |
| 7021191 | Accurate fluid operated cylinder positioning system A position control system is used for controlling a fluid operated cylinder having at least one fluid chamber defined by a piston located within a housing for movement between first and second end limits of travel. The system includes at least two electrically actua... | 04/04/2006 |
| 7021172 | Hydraulic throttle for vehicles A hydraulically operated throttle system that has the hydraulic system components installed entirely within the throttle grip on the handlebar. A regular throttle cable is run through the frame/handlebar where it connects to the hydraulic system. A three-piston syst... | 04/04/2006 |
| 7013920 | Valve, especially proportional solenoid valve A valve has a solenoid part and a valve part connected to the solenoid part. The valve part has a housing provided with connecting bores for a pressure medium, including a pressure connector and working connectors. The valve part has a piston and the solenoid part a... | 03/21/2006 |
| 7010911 | Fluid pressure control circuit A fluid pressure control circuit includes a fluid pressure device which is operated by a fluid pressure; a control valve which is connected to the fluid pressure device via a connecting passage, and which changes a flow rate of predetermined fluid that is to be supp... | 03/14/2006 |
| 7007447 | Actuator device with a multi-chamber housing An actuator device self-contained within a housing and adapted to move an object. The actuator device includes a movable piston positioned in a cylinder portion of the housing. The cylinder portion defines a longitudinal axis, whereby the piston is movable along the... | 03/07/2006 |
| 6978609 | Electrohydraulic servo door drive for operating a door, a window, etc. The invention pertains to an electrohydraulic servo door drive for operating a door, a window, or the like, with a hold-open function, where a valve is installed in the hydraulic circuit to implement the hold-open function. To create an electrohydraulic servo door d... | 12/27/2005 |
| 6951317 | Vehicle, lightweight pneumatic pilot valve and related systems therefor A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between ... | 10/04/2005 |
| 6877417 | Fluid pressure circuit To perform boom-down operation by operating a boom cylinder (6) by an external load (W) while simultaneously operating an arm cylinder (26) or a bucket cylinder (27) in the state the bucket is off the ground, a first boom directional control val... | 04/12/2005 |
| 6802241 | Air balancing device A pressure regulating valve (20) for adjusting a pressure of a supply/discharge passage (10) to a pressure balanced against a weight of a body to be carried (1) is provided. The supply/discharge passage (10) is connected to a working cham... | 10/12/2004 |
| 6796330 | Pressure control apparatus for a torque-transmitting mechanism A pressure control apparatus is disposed in a pressure control system for a transmission to set pressure control at a torque-transmitting mechanism. The pressure control apparatus includes a torque-transmitting mechanism control valve, which distributes pressure fro... | 09/28/2004 |
| 6786129 | Sensor for cylinder control, and cylinder device incorporating the same In the present invention, sensors for cylinder control are connected to a main cylinder which has an internal cylinder chamber which is partitioned by a piston into two chambers, and they detect the operational state of the piston. There are provided accumulators co... | 09/07/2004 |
| 6779558 | Valve, especially a pressure control valve A valve, especially a pressure control valve, includes a housing (10) with a pump connection (P), an appliance connection (A) and a tank connection (T). A piston (16) controlled by a magnet armature (26) is guided inside the housing (10) ... | 08/24/2004 |
