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Class 137/637.1 - Interlocked


Subclass of Class 137 - Fluid handling
Definition: Devices having plural actuators with interlocking means
No. of patents: 80
Last issue date: 09/06/2011


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NumberTitleIssue Date
8011389Manifold valve
A manifold valve having two valves, which enables operation of one valve while disables operation of the other valve, is compact, and facilitates installation in and detachment from a pipeline, that is, a manifold valve provided with a main passageway, a branch pass...
09/06/2011
7992589Dual butterfly valve driven by a common drive motor
A valve including a body delimiting an inlet duct opening into a first and second outlet duct. The body includes a first butterfly valve element and a second butterfly valve element. The first butterfly valve element is mounted on a first transmission gearwheel conn...
08/09/2011
7874315Multi-channel, multi-phase flow metering valve
A multi-channel, multi-phase flow metering valve has multiple pintle valves for metering liquid media through each valve channel. The valve channels have venturi passageways that alone, or in cooperation with the pintles, cause the local pressure of the media to fal...
01/25/2011
7762281Storage and dispensing bin
A bin for storing and dispensing dry flowable material comprises a main body portion defining a chamber for receiving the flowable material, a top portion enclosing the top of the body portion and having an inlet through which the material can pass to fill the bin, ...
07/27/2010
7343935Gas flow control flap operating mechanism
In a gas flow control flap operating mechanism including a ball-head joint provided between an actuator drive and the gas flow control valve flap with a ball head which is received in a multipart ball-head socket, the parts of the ball-head socket are interconnected...
03/18/2008
7287536Heater for heating the dishwashing liquid in a dishwasher
In a dishwasher having a dishwashing compartment and a pump fluidically connected to the dishwashing compartment for channeling liquid to the dishwashing compartment, the pump disposed outside the dishwashing compartment and including a pump housing defining an inte...
10/30/2007
7240695Multi-channel pintle valve
A multi-channel valve uses a single drive motor to translate a single actuator assembly coupling multiple pintle valves for metering the same amount of media through each channel. The actuator assembly includes a swivel base mounting two or more clevis and nut arran...
07/10/2007
7176643Motor control apparatus
Before an amount of play in a rotation transmitting system is learned, for selecting a gear range, an overshooting control process is performed to cause the angular displacement of a motor to overshoot a target gear range position and then reverse the electric motor...
02/13/2007
6962176Portable suction system
A portable suction system comprises a vacuum valve subassembly. The subassembly has a body, upper and lower ball valves, and an actuating linkage. The body has a mounting portion for a tank and a valve housing portion. The mounting portion has a threaded diameter. T...
11/08/2005
6550368Fluid power interlock system
A fluid power interlock system and method for providing same including a circuit having a first valve shiftable between a first and second state having an input and a pair of selectively operable first outputs. One of the first outputs is operatively conn...
04/22/2003
6415819Switching unit which is composed of a set of switching valves and is suitable for making a first and second medium flow through one of two plate coolers as desired
A switching unit which is suitable for making a first and a second medium--for example oil and cooling water--flow through one of the two plate coolers as desired comprises four switching valves. The valve bodies of the four valves (1-4) are connected to ...
07/09/2002
6021803Tapping point including a mixer for cold and hot water
Tapping point including a mixer (10) for cold and hot water where the mixer (10) has a hot water inlet (20) arranged to connect to a feed pipe (64) for hot water, a cold water inlet (40) arranged to connect to a feed pipe (70) for cold water, a mixing cha...
02/08/2000
5794647Valve system
A valve system for use in batch processing, particularly for preventing exposure of material to the environment during transfer from one container to another. The system in effect comprises two butterfly valve discs (5, 6; 105, 106), one (5; 105) on a con...
08/18/1998
5704398Valve linkage system
A valve linkage comprises valve arrangements each comprising a valve disc disposed in its respective conduit, a valve shaft attached thereto and extending therefrom, and a lever arm attached to the shaft. In one preferred embodiment, certain valve arrange...
01/06/1998
5615707Apparatus for jointly actuating a pair of valves
An apparatus for jointly actuating a pair of valves, in particular coupling members having closure valves and having actuating shafts each of which is connected to a cam for sequentially operating the actuating shafts where the cams each have receiving po...
04/01/1997
5590684Dual pilot manifold assembly for a safety relief valve
A manifold assembly 10 for operating a safety relief valve 12 includes a manifold block 60 having a block inlet port 230, a block dome pressure port 232, and a pair of control cavities 220 and 222 each adapted for receiving a pilot valve 70 or auxiliary c...
01/07/1997
5588717Valve utilizing shape memory alloys and an anti-lock brake system with the valve
A valve for performing pressurization, decompression and pressure maintenance includes linear shape memory alloys. An anti-lock brake system utilizes the valve. The valve has plural spools movable up and down within a housing having plural bores. The resp...
12/31/1996
5251661Remote filling device for an oil tank
A device for the remote filling of an oil tank, particularly an oil tank of an aircraft engine, is provided with a lock which interconnects the inlet nozzle of the oil filler and the outlet nozzle of excess oil remover so that the oil supply pipe cannot b...
10/12/1993
5203373Foot-actuated valves
A foot-actuated valve assembly operable for delivering either a mixture of hot and cold water through a faucet, or solely cold water to the faucet. The user selectively actuates one of two sides of a kick plate. Actuation of one side of the kick plate cau...
04/20/1993
5197515Aircraft waste system drain valve
A drain valve assembly for positively sealing an aircraft waste system drain line to prevent waste fluid leakage and the formation of so-called "blue ice" due to such leakage during high altitude flight. The valve assembly has an inlet for connection to t...
03/30/1993
5036816Load adjustment device
In a throttle-valve connection (1), two intake channels (2, 3) are provided alongside of each other, each having a throttle valve (4, 5). The two throttle valve (4, 5) are driven by separate setting motors (17, 18). The setting shaft (6, 7) of the throttl...
08/06/1991
4982734Anaesthesia equipment
Anaesthesia equipemnt comprising an anaesthesia unit such as a vaporizer detachably mounted on a mounting rack by connecting means comprising guide means to provide substantial leak-proof engagement of the connecting means. The guide means may comprise an...
01/08/1991
4971092Pivotal control housing
A pivotal control housing for enabling service access to a hydraulic control circuit is provided which is particularly useful with multi-power source service vehicles and includes hinge structure for enabling pivoting of the housing between an upright ori...
11/20/1990
4932398Anaesthetic vaporizer interlock system and connector for anaesthetic apparatus
An anaesthetic apparatus having a plurality of vaporizers is provided which utilizes an interlocking device which prevents more than one vaporizer from being activated at one time. The interlock device can be used with any number of vaporizers mounted sid...
06/12/1990
4890643Bi-directional sealing valve
There is disclosed a bi-directional sealing valve having a pair of ball type closure members mounted in the flowway through the body of the valve, one to control flow in one direction and the other to control flow in the opposite direction....
01/02/1990
4877059Valve
A valve is equipped with a closing element capable of being adjusted by means of a valve shaft and equipped with a flow divider. The latter is equipped with an actuating drive by means of which the flow divider can be adjusted as a function of the degree ...
10/31/1989
4860792Electromagnetic control valve
In an electromagnetic control valve, a pair of spools are accommodated within a guide bore in a housing in coaxial relation to each other for axial movement relative to the housing. First and second flow passageways are formed in the housing. Flow of hydr...
08/29/1989
4846225Transmission assembly for use with double block and bleed system
A transmission assembly for operating a double block and bleed valve system having a first block valve with a first valve shaft, a second block valve with a second valve shaft and a bleed valve disposed between the first and second block valves, the trans...
07/11/1989
4844127Actuating mechanism for a transmission control system
An actuating mechanism for a hydraulic control system including a valve body having one or more valves slidably arranged therein. Each valve is movable along a linear path in a manner regulating fluid flow through the valve body as a function of the linea...
07/04/1989
4834287Pressure relief before or upon electric shut off of pump
A valve control mechanism for a paint spraying system provides for pressure relief prior to turn-off of the compressor. A pair of interlocking knobs, a pressure control knob and an off-prime-spray knob, are mechanically interlocked so that the compressor ...
05/30/1989
4823843Valve apparatus
In a valve system for controlling the flow of liquid fuel and steam to a nozzle in a large scale power plant boiler, a pair of valves are operated by rotary pneumatic actuators. Three-position operation is achieved for one of the valves by coupling the va...
04/25/1989
4799510Valve for use in controlling the functions of mine roof supports
A valve assembly is provided for use in controlling a plurality of fluid operated functions. The assembly comprises a plurality of valve members 14, each movable independently to carry out a fluid flow control function for example, a function of a hydraul...
01/24/1989
4759358Gas administration apparatus
An interlock system for use with two or more vaporizers when mounted in plug-in fashion on the back bar of an anaesthesia machine includes a spacer 22 of generally channel shaped section having spaced arms 10, 11 engageable by pins which extend outwardly ...
07/26/1988
4744385Water supply and waste removal system for a vehicle
The above-entitled system is especially useful in recreational vehicles but is obviously adaptable to other arrangements. As obviously applied to a recreational vehicle (RV) having a fresh water tank, a grey tank and a waste tank, the system includes a pl...
05/17/1988
4729408Control system for independent control of fluid actuated devices
Control systems are required to selectively control fluid actuated devices, such as clutches, in a transmission. In order to reduce shock loads on the internal elements of the transmission, it is necessary to ensure that only one clutch can be engaged at ...
03/08/1988
4688602Pneumatic control device for controlling pneumatic system
A pneumatic control device for controlling a pneumatic system operable in a plurality of modes, including: push levers corresponding to the operation modes and movable in a first direction to its operated position, the push levers being spaced from each o...
08/25/1987
4643392Valves
A valve for use in controlling a plurality of fluid operated functions, for example the functions of a hydraulic mine roof support, comprises a valve body 10, a plurality of valve members 13 each movable independently to carry out a fluid flow control fun...
02/17/1987
4633908Manually operated mode-selecting valve device
A manually operated mode-selecting valve device allowing pressurized air to be transmitted to a plurality of working agents so as to actuate them simultaneously with the movement of a single valve medium upon operating a corresponding single actuator is d...
01/06/1987
4553446Control device
A control device capable of selectively controlling either one of two controlled members with the use of one control means. The control device incorporates a link and a lock member. The pivot structure of an arm between the link and the control means is improv...
11/19/1985
4552181High speed dump valve for fire fighting apparatus
A directional dump valve is disclosed which allows for the rapid dumping of water from a standard tank truck or similar vehicle. The device has three main dumping ports, which are quickly selected by adjusting the position of the water control doors. This...
11/12/1985
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