Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7384022 | Seal arrangement for a piston valve A sliding seal arrangement in particular for a valve having an anodised aluminium coating in contact with the seal. The coating is produced so that inclusions in the surface of the coating are substantially aligned. The direction of motion of the sliding seal in use... | 06/10/2008 |
| 7077376 | Water saver valve The present invention relates to a valve designed to be in series with a toilet water supply line and the inlet of a toilet tank so that water which is flowing into the tank must flow through the valve. The valve includes a shutoff spool that is actuated by an inten... | 07/18/2006 |
| 7004448 | Trim insert for choke assembly A trim insert for a choke assembly is disclosed, wherein the trim insert is a tubular member with a substantially constant inner diameter. A first end of the device is positioned within an adjacent upstream sleeve and a second end is sealingly retained within the di... | 02/28/2006 |
| 6286533 | Metering valve assembly A metering valve assembly for use in sanitary applications and method of use is disclosed. The metering valve assembly has a relief valve hydraulically controlling a pilot valve covering a water supply inlet. The relief valve is controllably closed by a d... | 09/11/2001 |
| 6263908 | Slow opening gas valve An improved slow opening gas valve providing for continuous gradual and smooth opening of the gas valve includes an expansible auxiliary chamber connected to an expansible control chamber by a metering orifice. The expansible auxiliary chamber slows expan... | 07/24/2001 |
| 6253787 | Fluid flow and pressure control system and method A system and method for controlling fluid according to which an inlet passage and an outlet passage are formed in a housing and a choke member is movable in the housing to control the flow of fluid from the inlet passage to the outlet passage and to exert... | 07/03/2001 |
| 5833209 | Device and method for influencing the periodic stroke movement of the closing element of a valve To influence the periodic stroke movement of the closing element of a valve, a control cylinder working on the closing element in the stroke direction is provided, which can be acted upon or released by a control element periodically with pressure medium.... | 11/10/1998 |
| 5692724 | Method and apparatus for attenuating high frequency vibration sensitivity in a control valve positioner The invention attenuates higher frequency vibrations or oscillations which can result in wear and/or less than optimal performance of a valve positioner. The invention provides a low pass mechanical filter which can be realized, for example, in a dash pot... | 12/02/1997 |
| 5509448 | Control valve with integral accumulator An engagement control valve for a fluid operated torque transmitter, such as a clutch, has a pulse width modulated (PWM) solenoid, a valve spool and an accumulator. The PWM solenoid supplies control pressure through a flow restrictor to a control chamber ... | 04/23/1996 |
| 5377719 | Pneumatic valve, particularly for control of compressed-air-operated membrane pumps A pneumatic valve, designed to control/pressurize a membrane pump, compresses a valve body (1) having gates (8-12) for compressed-air-flow/operation/pressurization of said pump. The valve body is closed by ends (2), between which a plunger (5) is to move ... | 01/03/1995 |
| 5366202 | Displacement controlled hydraulic proportional valve A displacement controlled hydraulic proportional valve is provided with a dashpot disposed between a main valve spool and a pilot valve spool to stabilize the proportional valve. The dashpot includes a bore in a spring retainer engaging the main valve spo... | 11/22/1994 |
| 5350152 | Displacement controlled hydraulic proportional valve A displacement controlled hydraulic proportional valve has a spring retainer and a force feedback spring serially disposed between a pilot valve spool and a main valve spool in a control chamber. An arcuate convex end portion on the pilot valve spool exte... | 09/27/1994 |
| 5294090 | Valve snubber A snubber which may be used with a diaphragm actuator or other movable member to prevent sudden movement of the movable member is provided. A typical diaphragm actuator has a diaphragm housing with a movable diaphragm therein dividing the diaphragm housin... | 03/15/1994 |
| 5275136 | Variable engine valve control system with hydraulic damper A variable valve assembly, engine valve control system, and method of operation wherein the valve is hydraulically controlled and includes a valve piston subjected to fluid pressure acting on surfaces at both ends of the valve piston. The cavity at one en... | 01/04/1994 |
| 5249745 | Fluid distribution system The illustrative embodiments of the invention described comprise systems for pulse distribution of irrigating fluid. The systems described include a header that feeds at least one irrigating line in which an array of emitter valves are connected in series... | 10/05/1993 |
| 5224683 | Hydraulic actuator with hydraulic springs Movement of a main valve between first and second stable positions is dependent upon hydraulic pressure controlled by an electrically controlled pilot valve reciprocable between first and second stable positions. When the pilot valve is in its first stabl... | 07/06/1993 |
| 5221072 | Resilient hydraulic actuator A highly efficient all hydraulic poppet valve actuator utilizes fluid spring chambers at each end of travel to store energy. Fluid in a first spring chamber is compressed and the chamber cocked by supplemental hydraulic pressure which also seats a poppet ... | 06/22/1993 |
| 5136898 | Hydraulic system for controlling engagement of frictional coupling in automatic transmission In order to improve only a pressure variation characteristic of hydraulic fluid supplied to a hydraulically actuable frictional coupling, but also a pressure variation characteristic thereof discharged from the coupling, a pressure regulator valve is prov... | 08/11/1992 |
| 5056600 | Control apparatus and method responsive to a changing stimulus A control system and method utilizing a race between two responses to a changing stimulus are disclosed. An example of a changing stimulus is pressure which increases at a decreasing rate of change during a closed-in period of a drill stem test in an oil ... | 10/15/1991 |
| 4832310 | Flush control valve A flush control valve (10) for metering a predetermined amount of flush fluid, or other liquid, to a facility, such as a urinal, to be flushed. The flush control valve (10) has a push button cap (166) that is actuated to cause the primary valve assembly (... | 05/23/1989 |
| 4819682 | Pneumatically operable valve A push-button operated valve having an optional metering control for regulating the open state of the valve includes optional pneumatic actuation in response to a source of either pressure or vacuum while retaining the metering capability. A plurality of ... | 04/11/1989 |
| 4624508 | Regulator valve for hydraulic anti-skid apparatus A regulator valve for a hydraulic anti-skid apparatus and which includes a housing provided with a first inlet port for connection to a fluid pump and the anti-skid apparatus, a second inlet port for connection to a master cylinder, and an outlet port for... | 11/25/1986 |
| 4482127 | Valve structure A valve of the type which is actuated under the pressure of the medium it controls and in which axially-aligned actuating and damping pistons are disposed within cylindrical relief and damping chambers and are connected to a valve element engageable with ... | 11/13/1984 |
| 4471940 | Dashpot assembly A dashpot assembly has a movable cylindrical element mounted within a housing. The movable element has a chamber with a first opening for restricting flow of fluid into the chamber and a second opening for permitting rapid flow of fluid out of the chamber... | 09/18/1984 |
| 4414982 | Apneic event detector and method A fluidically-operated respirator comprises an apneic event circuit (10) and a demand gas circuit (20). The apneic event circuit (10) comprises a variable capacitance device (132) and an exhaust means (130) which rapidly discharge fluid from the circuit (... | 11/15/1983 |
| 4390037 | Gas regulation device for gas actuated valves A gas regulation device to delay for a predetermined time the closing of a gas actuated main valve of the type having a main valve conduit connected to the main valve for carrying the gas which actuates the main valve. The regulation device comprises a fi... | 06/28/1983 |
| 4227674 | Liquid metering valve A liquid metering flush valve to be installed in connection with plumbing fixtures such as water closets, urinals, service sinks, and other equipment and to supply said fixtures with a predetermined amount of water; which may be potable water, contaminate... | 10/14/1980 |
| 4220173 | Time delay fluid valve A fluid operated valve device which effects a time delay in the shifting of a main valve spool. Pressurized pilot fluid is metered at a controlled rate through an air filter and a spiral groove which is restricted in size to delay the pressure build up of... | 09/02/1980 |
| 3994434 | Variable volume air damper control having a damped actuator A control for a damper providing a variable volume air flow through a duct in response to a sensed condition has means for damping oscillations of the damper.... | 11/30/1976 |
| 3931710 | Method and installation for the predetermined addition of secondary air for the optimum combustion of exhaust gases of internal combustion engines Method and installation for the predetermined addition of secondary air used in effecting optimum combustion of internal combustion engine exhaust gases, including a control arrangement including one or more measuring devices sensing engine operating or e... | 01/13/1976 |
