Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 8051764 | Fluid control system having selective recruitable actuators A fluid control or actuation system providing selective recruiting of actuators antagonistic to one another to provide variable output power, such as that used to drive a load. The actuators are intended to comprise different sizes, and to be operable with one or mo... | 11/08/2011 |
| 7301118 | Welding gun with controller and method for using same A welding gun assembly including a housing that defines a first chamber and a second chamber. The assembly also includes a first piston moveably disposed in the first chamber and a second piston moveably disposed in the second chamber. The assembly includes an inten... | 11/27/2007 |
| 7295181 | Data input device The method is for entering data into a computer device and comprises providing a wearable device (10) that is attached to a hand. The device (10) has sensors (49, 51, 53, 55, 57) that analyze the movements of the segments (48, 50, 52, 54, 56 | 11/13/2007 |
| 7225905 | Magnetorheological fluid damper A magnetorheological damper device is provided having an increased shear interface area per unit volume of device, which enhances the stroking force of the damper. The damper generally includes a thrust shaft comprising an external threaded surface in threaded commu... | 06/05/2007 |
| 7090475 | Hydraulic control circuit for a hydraulic engine with at least two speeds A hydraulic control circuit for a radial piston engine with two speeds. The changeover between the speeds takes place through the alteration of the absorption volume, the delivery side being connected to the discharge side with a bypass connection by a valve arrange... | 08/15/2006 |
| 7087008 | Apparatus and methods for delivery of transcranial magnetic stimulation Disclosed are apparatus and methods for delivery of transcranial magnetic stimulation. The apparatus includes a TMS coil which when energized generates an electric field substantially parallel to a long axis of the coil and substantially normal to a surface of the c... | 08/08/2006 |
| 6817067 | Tandem electrohydrostatic actuator A tandem electrohydrostatic actuator (70) broadly includes a first piston (22) operatively arranged in a first cylinder (23), and a second piston (24) operatively arranged in a second cylinder (25). The pistons are coupled to move ... | 11/16/2004 |
| 6817859 | Drive device for a movable part, especially a mold closure device for an injection molding machine, and method for operating such a drive device A drive for a movable part, such as a mold closure platen, includes two hydraulic cylinder-and-piston units defining first and third pressure chambers in a first of the hydraulic units and defining fourth and fifth pressure chambers in a second of the hydraulic unit... | 11/16/2004 |
| 6609368 | Automatic downshift and override control for a transmission The present invention includes a hydrostatic transmission system that has a control device that is selectable to send a speed signal to a motor for driving an output at a predetermined speed. A controller is used to automatically permit the selected speed... | 08/26/2003 |
| 6543331 | Hydraulic lifting device A hydraulic lifting device provides a lifting of the massive objects, having a complex geometric form and includes a support plate rigidly connected to the plungers coupled with the body carrying a main plunger, comprising a main rod and a main hydraulic ... | 04/08/2003 |
| 6368046 | Modulation of ejector pumps to provide uniform and controllable ejector speed during ejector stroke for articulated trucks and the like having ejector type dump mechanism A material eject system includes an ejector mounted to a bed of a vehicle which is movable between a rear end and a forward end of the bed for ejecting material from the bed. The ejector is powered by a cylinder having different fluid volumes depending on... | 04/09/2002 |
| 6318235 | Hydraulic motor cylinder-capacity selector for avoiding jarring when switching from one cylinder capacity to another A cylinder-capacity selector for a hydraulic motor having at least two active operating cylinder capacities and comprising having at least two main ducts. The selector includes three ports and distribution ducts of the motor to establish selective communi... | 11/20/2001 |
| 6244560 | Blowout preventer ram actuating mechanism A ram actuating mechanism 20 for a blowout preventer 10, the ram actuating mechanism 20 including a hydraulic booster for enhancing the ram closing force. The ram actuating mechanism 20 may be compatible for use with primary pistons 25 which include inter... | 06/12/2001 |
| 6145307 | Method and device for controlling a hydraulic installation of a utility vehicle What is disclosed is a method for controlling a hydraulic cylinder acting against a load, and a hydraulic installation of a utility vehicle operating in accordance with this method, wherein the pressure in the supply line to the effective areas of the hyd... | 11/14/2000 |
| 6112637 | Negative pressure type booster An automatically operable negative pressure type booster can be applied for a front stage pressurizing function in a braking fluid pressure control apparatus with braking and steering control. The booster includes a housing, a movable wall dividing the ho... | 09/05/2000 |
| 6094910 | Apparatus and method for raising and lowering a piston in a piston cylinder arrangement in a derrick Disclosed is an apparatus for a derrick, including hydraulic piston/cylinder arrangements for raising and lowering a yoke travelling on guide rails attached to the derrick. A hydraulic system having different modes of operation is provided for the operati... | 08/01/2000 |
| 6035635 | Hydraulic quick lifting unit of a jack The invention relates to an improved hydraulic quick lifting unit used in a jack, especially to improvements made on the valves of the hydraulic system, a fastener assembly and an oil return tube of the lifting shaft. The hydraulic system can return hydra... | 03/14/2000 |
| 6026730 | Flow control apparatus in a hydraulic circuit For supplying a large volumetric flow into a particular hydraulic actuator without requiring a directional control valve to be large-sized and without making large a pressure difference between a pump discharge pressure and a load pressure or reducing the... | 02/22/2000 |
| 6003429 | High speed and high-load cylinder device and method for controlling the same A high speed and high load operable hydraulic drive cylinder system comprises a principal cylinder (3) with a piston (3a)) defining an upper and a lower chamber (3c, 3d) and a piston rod (3b), and a subsidiary cylinder (2) smaller in pressure receiving ar... | 12/21/1999 |
| 5878569 | Energy conversion system The energy conversion system of the subject invention converts the energy from a source of pressurized fluid, such as a free-piston engine and a storage accumulator, to a work system at various pressure levels. This is accomplished by providing power modi... | 03/09/1999 |
| 5865088 | High-speed safety circuit for a hydraulic press A high speed safety circuit arrangement is provided for a hydraulic press which is driven by a hydraulic cylinder assembly constituted by a principal cylinder unit and a subsidiary cylinder unit. The circuit arrangement comprises a servo valve disposed in... | 02/02/1999 |
| 5839350 | Means and method for preparing a container for recycling A press assembly includes a hydraulic cylinder assembly having first and second chambers and respective piston and rod assemblies therein. The rod of the second assembly is arranged to enter the first chamber and thereby raise the pressure therein. Initia... | 11/24/1998 |
| 5836231 | Radial-piston hydraulic motor and method for regulation of a radial-piston hydraulic motor A radial-piston hydraulic motor and method for regulating a radial-piston hydraulic motor including one or more cylinder groups, each cylinder group having piston mechanisms that move radially back and forth. The piston mechanisms include a piston and a p... | 11/17/1998 |
| 5836400 | Three speed circuit for hydraulic tool A hydraulic tool having a ram or other working element propelled by pressurized fluid. The tool has a lever which is squeezed to develop fluid force in a pump. The fluid circuitry automatically operates the ram selectively at any one of three operating sp... | 11/17/1998 |
| 5819632 | Variable-speed rotating drive A variable-speed rotating drive is provided. A drive shaft terminates in a hreaded piston that is received in an internally threaded cylinder. A plurality of linear actuators are distributed evenly about the circumferential periphery of the internally thre... | 10/13/1998 |
| 5730041 | Hydrostatic assembly with controlled spin A hydrostatic bridge including two hydraulic motors each having two distinct operating cylinder capacities, both motors sharing an overall casing. The bridge has four main ducts of a first type (feed or exhaust) and two main ducts of a second type (exhaus... | 03/24/1998 |
| 5724878 | Hydraulic operating mechanism for a convertible top In a hydraulic operating mechanism for a convertible top, a pressure sensor (12) is incorporated into a common pressure circuit (P) of the hydraulic cylinders (1 through 4) and connected with a control unit which is connected to the switching elements (V1... | 03/10/1998 |
| 5697285 | Actuators for simulating muscle activity in robotics An apparatus generates power at micro-scale dimensions that is sufficient to simulate the muscle activity required by the joints of robotic fingers. The apparatus includes a bellows device for generating a motion stimulus in response to pressure changes w... | 12/16/1997 |
| 5644915 | Control system for a hydraulic press brake A control system for controlling the movement of the ram of a press or press brake of the type having one or two main cylinders with pistons operatively attach to the ram. The control system comprises a programmable processor with inputs from a pressure t... | 07/08/1997 |
| 5615593 | Method and apparatus for controllably positioning a hydraulic actuator A system and method for controllably positioning a hydraulic actuator which is operably connected to a control surface includes at least one main control valve for controlling the hydraulic pressure supplied to the actuator in response to a control signal... | 04/01/1997 |
| 5586482 | Two-stage fluidic actuator A fluidic actuator includes dual-element, differential area pistons consisting of a power piston and an extender piston that are mounted in a double-chamber cylinder. A spring-loaded throttling plunger is slidingly mounted in a longitudinal bore in the po... | 12/24/1996 |
| 5558000 | High speed and high load cylinder device A high speed and high load cylinder device is constructed by connecting a piston of a high speed cylinder (1) having a smaller pressure receiving area and a piston of a pressurizing cylinder (2) having a large pressurizing area. The device is provided wit... | 09/24/1996 |
| 5533435 | Fluid cylinder assembly A first cylinder of a smaller diameter and a second cylinder of a larger diameter are connected in a coaxially intercommunicating state. A first piston of a smaller diameter which is hermetically slidable within the first cylinder is mounted on a rod whic... | 07/09/1996 |
| 5522212 | Rod equal displacement cylinder in a rapid transfer and feed system A single rod three chamber fluid cylinder is driven in an initial rapid advance forward stroke by a main pump, pumping fluid through a proportional directional control valve to act against a first equal area at the head end of the piston. Fluid expelled f... | 06/04/1996 |
| 5488895 | Clutch slave cylinder A clutch hydraulic slave cylinder comprising a cylinder body, a primary piston sealingly reciprocable relative to the body and co-operating with the body to form a first fluid chamber within said body, and a secondary piston sealingly reciprocable relativ... | 02/06/1996 |
| 5440968 | Variable force cylinder device A variable force cylinder device with a piston reciprocated by a pressurized fluid in a cylinder chamber, in which the piston has a large-diameter portion and a small-diameter portion, the cylinder chamber has a large-bore portion corresponding to the lar... | 08/15/1995 |
| 5435228 | Pneumatic transformer A fluid operated device has a high pressure fluid cylinder, a low pressure fluid cylinder and a plurality of valves which operate to fluidically connect the two cylinders to provide a compound fluidic device. The device utilizes the exhaust of the high pr... | 07/25/1995 |
| 5398741 | Method and apparatus for rotary-cutting a timber in a veneer lathe A method and apparatus for rotary-cutting a timber to peel off a veneer by a cutting knife from the outer periphery of a timber while rotating the timber around its longitudinal axis. The timber is gripped at its two end faces by means of chucking pawls w... | 03/21/1995 |
| 5361680 | Pressure-intensifying type fluid pressure cylinder In a pressure-intensifying type fluid pressure cylinder, an auxiliary cylinder chamber is provided outside a rod cover, a pressure intensifying piston is axially and slidably disposed on the outer peripheral portion of a piston rod in the auxiliary cylind... | 11/08/1994 |
| 5353683 | Pneumatic transformer A fluid operated device has a high pressure fluid cylinder, a low pressure fluid cylinder and a plurality of control valves which operate to fluidically connect the two cylinders to provide a compound fluidic device. The device utilizes the exhaust of the... | 10/11/1994 |
