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Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 137/596.1 - Biased exhaust valve


Subclass of Class 137 - Fluid handling
Definition: Devices in which the exhaust valve is biased toward one
No. of patents: 110
Last issue date: 02/03/2009


1      
NumberTitleIssue Date
7484527Switch valve device
The present invention relates to a switching valve device used for vacuum suction of a member such as a semiconductor chip, and the object thereof is to break a vacuum rapidly and smoothly. The switching valve device includes a vacuum suction switching valve functio...
02/03/2009
7370669Electromagnetic valve
Disclosed is an electromagnetic valve in which a force due to a working fluid from an inflow hole acting perpendicularly with respect to the axis of a shut-off valve is reduced to thereby reduce the sliding resistance of the shut-off valve. An electromagnetic valve ...
05/13/2008
7367355Twin manifold seat valve having solenoid actuation
A twin manifold seat valve comprising at least two closure members S1, S2, S3 each functionally associated with at least one valve seat D1, D2, D3, D4. At least one of the closure members is moved to a blocking positi...
05/06/2008
7270142Inflation device with automatic disconnect
An apparatus that injects fluid into an inflatable device, dynamically monitors the pressure inside the device, and automatically terminates the inflation and disconnects from the inflatable device when the pressure inside the device reaches a predetermined value pr...
09/18/2007
7264019Controlled-flow hydraulic distributor
The hydraulic distributor exhibits a cylindrical and internally-hollow body (2) having an inlet chamber (3) for a fluid and an outlet chamber (4) which are interconnected directly (by a communication conduit), or indirectly by an external distri...
09/04/2007
7255257Pneumatically operated power tool having mechanism for changing compressed air pressure
A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an ou...
08/14/2007
7229063Pressure control valve
The invention concerns a pressure control valve for the control of the value of pressure in a hydraulic circuit, especially in a hydraulic circuit of a vehicle transmission, with a valve housing, with a solenoid coil, with an armature component group comprising an a...
06/12/2007
7182353Turn brake for multi-track vehicles
A turn brake includes a cylinder assembly coupled to a conventional front-wheel steering system of a multi-track vehicle. The cylinder assembly generates fluid power for applying differential braking force to left and right wheels of the vehicle in response to turni...
02/27/2007
7159615Flow control valve
A flow rate control valve comprising a valve body having an input port, an output port and an exhaust port, a valve means that is arranged in the valve body and controls the communication of the ports, and an electromagnetic operation means for driving the valve mea...
01/09/2007
6959728Rotary cam valve
A multiple fluid flow controller valve device having radially disposed a number of valves and a central rotary shaft with cam surfaces functioning as the valve controller to open and close the valves in the desired sequence. ...
11/01/2005
6959740Integrated automobile fluid servicing apparatus
A fluid servicing apparatus for exchanging fluids with a power steering fluid reservoir including drain and supply conduits with inline pumps coupled to a control board on a cabinet housing new and used fluid receptacles and a remote pump actuator in communication w...
11/01/2005
6907902Hydraulic signal output device
The present invention intends to provide a hydraulic signal output device having a smaller installation space, and thereby enabling to make an installation space of hydraulic machines in an operation room smaller and that of other than the hydraulic machines larger....
06/21/2005
6907946Brake system for a tracked vehicle
A direct braking of a drive shaft for a tracked vehicle that moves on rotating track(s). A disc brake is connected to the same drive shaft that has sprocket(s) for engaging the track(s). Upon activation by a vehicle driver, opposing pistons engage the disc to retard...
06/21/2005
6789574Pneumatic control assembly with simplified direction control valve
A pneumatic control assembly includes a valve forming a bore that is openably blocked by a spring-biased, first plug. An inner rod is movable in the bore with a lower end engageable with the first blockage plug and an upper end forming a second plug. The inner rod i...
09/14/2004
6431209Multi-pressure ball-poppet control valve
A high-pressure primary fluid control valve and a multi-pressure selector fluid control valve are disclosed for operating a fluid-actuated device. Preferably a spherical ball-poppet and frusto-conical valve seat adapted for substantially line-contact ther...
08/13/2002
6412884Solenoid-controlled valve
A solenoid-controlled valve has first and second valve bodies axially movably provided in a bore of a cylinder. A first spring is interposed between an end of th valve and the first valve body, a second spring is interposed between the two valve bodies, a...
07/02/2002
6192929Hydraulic controller
The present invention provides a hydraulic controller comprising: a plurality of switching spools; a plurality of cylinder ports of a switching valve; a compressed oil passage common to the switching valves having an intermediate chambers, at least a chec...
02/27/2001
6125886Pilot valve
In order to obtain great damper effects with a comparatively simple structure and fully control a hunting phenomenon, a pilot valve comprises push rods attached to a valve body, spools attached to spools holes of the valve body, spring bearing members pro...
10/03/2000
5983942Damper of hydraulic pilot valve
A damper for a hydraulic pilot valve having a valve body in which a plurality of pressure reducing valves, a rotational shaft, an operation member attached to the rotational shaft and a handling member rotating the rotational shaft are provided. The press...
11/16/1999
5918631Ball-poppet pneumatic control valve
A pneumatic fluid control valve includes a valve body having a fluid inlet connectable to an external source of pressurized pneumatic working fluid, one or more load outlets, one or more corresponding exhaust ports, and a movable valve mechanism. The mova...
07/06/1999
5878647Pilot solenoid control valve and hydraulic control system using same
A pilot operated control valve has a housing defining an inlet and an outlet. A main valve poppet selectively engages a valve seat to control flow of fluid between the inlet and outlet. An aperture in the main valve poppet opens into a control chamber on ...
03/09/1999
5845680Damper of hydraulic pilot valve
A damper for a hydraulic pilot valve having a valve body in which a plurality of pressure reducing valves, a rotational shaft, an operation member attached to the rotational shaft and a handling member rotating the rotational shaft are provided. The press...
12/08/1998
5823227Hydraulic pilot valve
A hydraulic pilot valve, including a plurality of pressure reduction valve portions, each having an inlet port, an outlet port and a pressure regulating valve for establishing and blocking communication between both ports by movement of the pressure regul...
10/20/1998
5819800Hydraulic pilot valve
A hydraulic pilot valve includes a valve body, first, second, third and fourth pressure reduction valves formed in the valve body and respectively having, outlet ports, inlet ports and spools for establishing and blocking communication between the ports, ...
10/13/1998
5683071Apparatus for controlling selectively engageable detents in a pilot controller
A pilot hydraulic system controller including a pilot controller valve for controlling the flow of hydraulic fluid to actuate a primary hydraulic system valve, a pilot controller lockout valve, and a detent control circuit for selectively energizing a det...
11/04/1997
5660247Rack servo-steering, particularly for motor vehicles
In a servo-steering unit provided for motor vehicles, one pinion (2) supported in a steering housing (1) meshes with a rack (6). A steering valve (8) which serves to control the pressurized fluid for the servo-steering unit has two inlet seat valves (10, ...
08/26/1997
5615704Push Button Pendant for a hoist or winch
A modular compact push button pendant for a hoist or winch is assembled of modular component parts along common passageways selectively ported by gaskets, seal plates, and spool valve stems directly operated by push buttons assembled in a straight line pa...
04/01/1997
5566716Hydraulic control valve
A hydraulically operated control valve with a cam member that pivots toward one or the other side of the neutral position in response to an operating member. A pair of push rods each with a piston interposed between the cam member and one of a pair of spo...
10/22/1996
5558127Hydraulic pilot valve
A hydraulic pilot valve consisting of a pair of pressure-reducing valves, wherein a stopper which can freely adjust maximum control inputs of operating levers (23, 24) of the hydraulic pilot valve is provided to make maximum pilot pressures output from th...
09/24/1996
5544538Hydraulic controller for automatic transmission having automatic manual control and automatic failsafe operation
A vehicular automatic transmission (AT) hydraulic controller has an integrated valve. The integrated valve has a cylindrical cam shaft including convex and concave parts on the outer periphery thereof, and the integrated valve is connected to a motor for ...
08/13/1996
5482085Pilot pressure sub-assembly for fluid control valve
A fluid control valve includes a spring biased pilot pressure sub-assembly for adjustably setting an initial step pressure. The sub-assembly includes a spring seat and an axially movable spool. The spool includes a body portion having a threaded outer sur...
01/09/1996
5454400Zero leakage directional control valve
A fluid directional control valve has at least one working fluid control port and a pressure inlet controlled with respect thereto by a poppet valve where zero leakage sealing is achieved by provision of a poppet seat which combines a resilient seal porti...
10/03/1995
5433249Hydraulic pilot valve
A crosswise controllable pilot valve for generating a pilot pressure corresponding to an amount of operation of a control lever. This valve has a spool reciprocable within a valve case between a pilot pressure supplying position for interconnecting a pump...
07/18/1995
5251660Hydraulic pilot valve unit
A hydraulic pilot valve unit constructed with an aim of controlling the flow rate of fluid under pressure in proportion to the stroke of the operating lever, irrespective of the speed of operation of the lever, and adapted for use in supply of pilot fluid...
10/12/1993
5209263Pilot valve assembly
A reliable pilot valve assembly having a control lever is produced at low cost while installed without requiring any additional switch and wiring and piping work. The assembly has a main valve body (1). A spool (27) is slidably mounted in the body (1) so ...
05/11/1993
5174333Output pressure control apparatus
An output pressure control apparatus particularly adapted for HVAC control applications, and being of the general type which admits a higher supply pressure to a controlled output line when it is desired to increase the pressure in the output line and whi...
12/29/1992
5152142Negative load control and energy utilizing system
Compensated controls for a negative type load which, without degrading the quality of the control, permit direct use of the fluid power energy of the negative load for control of a resistive or positive type load, thereby greatly increasing the efficiency...
10/06/1992
5092362On-off valves and pressure regulators for high-pressure fluids
A fast-actuating on-off valve and pressure regulator particularly well-suited for use with high-pressure incompressible fluids. An actuator, manually-operated or powered, provides a linear push-pull force to a valve stem assembly mounted inside a valve ca...
03/03/1992
5044256Exhaust pressurizing control for a fluid system
Fluid systems having fluid motors which control aiding type loads many times have problems with cavitation in one end of the fluid type motor during lowering thereof. It is desirable to eliminate all cavitation in the fluid motor during operation. In orde...
09/03/1991
4836234Electrically operated fluid control valve
An electrically operated fluid control valve provides a controlled output pressure proportional to an electrical control signal. The valve housing has a pressure control chamber, an inlet passageway leading from an inlet port to the chamber, an outlet por...
06/06/1989
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