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Class 137/75 - Safety cut-off


Subclass of Class 137 - Fluid handling
Definition: Apparatus in which the valve controlling the fluid flow
No. of patents: 153
Last issue date: 06/17/2008


1        
NumberTitleIssue Date
7387134Fire safety device for propane cylinders
A fire safety fluid flow device for engagement with a Schrader valve including a sliding valve a housing having a fluid path therethrough and a pressing member. The pressing member presses against the sliding valve of the Schrader valve when engaged therewith to all...
06/17/2008
7373945Device for closing a conduit
A device for closing a conduit (30) in case of fire includes a housing (11) having a receptacle (17) for receiving the conduit (30), a cutting and blocking member (20) arranged in the housing (11) and displaceable, in case o...
05/20/2008
7314210Gas-socket outlet
A gas socket is to be provided which can be used for surface installation. The final installation of the gas socket must still be possible after the construction of the installation site has been fully completed. Replacement of the externally visible area of the gas...
01/01/2008
7309022Substance shutoff device and fuel cell
There is provided a substance shutoff device for shutting down the communication of at least one of an inflammable substance and an oxidizer when the inflammable substance and the oxidizer are brought into contact with each other to thereby prevent further contact b...
12/18/2007
7293575Mechanical override for a valve actuator
An apparatus and method for manual operation of an actuator is disclosed. A mechanical override includes a housing coupled to the actuator, a drive ring, and a shaft extending through a bore of the housing. The drive ring rotationally keys to the bore such that the ...
11/13/2007
7290556Fire collar
A fire collar or fire damper for location within a concrete slab of a building. The device incorporates a damper arrangement (12) and a heat detector (18, 19) comprising a metal alloy or lead which melts when a present temperature is reached, causing t...
11/06/2007
7290977Powered coupling of attachment hydraulics
An actuator operated apparatus for mounting and hydraulically coupling a working attachment to a mounting plate of a work vehicle. The apparatus receives a portion of pressurized fluid from the work vehicle to actuate a pair of wedges that slidably move to lock or u...
11/06/2007
7273064Temperature-sensitive safety valve assembly
The present invention relates to a temperature-sensitive safely valve assembly (10). The assembly (10) comprising a first region (16) for a first pressurised fluid, a second region (20) for a second pressurised fluid, a valve (26, 28, ...
09/25/2007
7231934Shut-off actuator with gas generation device
A shut-off device, in particular for application in the extraction of natural gas and mineral oil, has a shut-off housing (3) comprising an admission channel (2) and in which a shut-off organ (4) is supported in an adjustable manner relative to ...
06/19/2007
7222765Fuel cell adapter for a latch
An insert seal for an adapter connectable to a fuel cell which is engageable upon a combustion tool fuel metering valve, the fuel cell having a stem and the metering valve having a nipple, includes a body defining a central passageway and having a first end sealable...
05/29/2007
7185668Closing device for fluid passage
A valve device for automatically closing a gas pipe when a fire breaks out. The valve device includes a gas thermosensitive generating composition, which decomposes and generates a large amount of gas within a short period when exposed to a high temperature. The val...
03/06/2007
7178548Dry safety device for an inflammable gas
A dry safety device for an inflammable gas comprises a case main body having a gas passage which terminates at one end in a primary side open port connectable to a source of inflammable gas and terminates at the other end in a secondary side open port connectable to...
02/20/2007
7152385In situ molded thermal barriers
Methods, systems, and devices for installing barriers in openings of gaps in or between structures such as walls, ceilings, and floors are described herein. At least one barrier molding bag is positioned in the hole or gap, and a flowable firestop material that is p...
12/26/2006
7150287Safety valve
A safety valve comprises a main body, fixed body, meltable body, movable body, biasing member, movable plug and plug holding means. The fixed body has a small passageway communicating with the interior of a container, and an upper large passageway. The movable plug ...
12/19/2006
7125332Ceiling radiation damper and mounting method
A ceiling damper system that comprises a damper housing having an input opening to accept air from a heating, ventilation and air conditioning HVAC system, and an output opening to supply the HVAC air to a room. The system further comprises a damper mechanism to sub...
10/24/2006
7114512Gas safety device
A gas safety valve includes a main body having a longitudinal through-hole consisting of a first section, a second section, and a third section with different inner diameters. A ball and a restraining member are mounted in the first section. A spring is mounted in t...
10/03/2006
7111818Safety valve
A safety valve comprises a pressure receiving hole (20), an actuation chamber (21), a discharging hole (22) and an alloy accommodating chamber (25). An alloy (27) of a low-temperature melting point is accommodated within the alloy ...
09/26/2006
7082730Sealing system
A sealing system (11) for sealing off a passage of a pipeline (2) in a wall (1) including a sealing strip (3) for sealing off the passage and three support members (4.1, 4.2, 4.3) for supporting the sealing strip (3). Each s...
08/01/2006
7082726Butterfly valve for skylight
A valve for selectively blocking the light passageway of a skylight includes a cylindrical shroud and first and second semicircular butterfly valve elements that pivot on respective axles within the shroud to selectively block the skylight. The axles can ride on a c...
08/01/2006
7080486Pass-through firestop device
A cast-in-place pass through firestop device for providing a passage in a partition in a structure through which wires, cables, pipes, and the like are run includes a housing having a riser portion with frangible connections that define removable bands that can be r...
07/25/2006
6959719Fire collar
A fire collar or fire damper for location within a concrete slab of a building. The device incorporates a damper arrangement (12) and a heat detector (18, 19) comprising a metal alloy or lead which melts when a preset temperature is reached, causing th...
11/01/2005
6957816Loop seal for knife gate valve
A seal for use with a knife gate valve is disclosed, the seal having a loop to which is attached an axially facing sealing lobe. A sealing surface is positioned on the sealing lobe, the sealing surface having an axially projecting leading edge and flanking annular s...
10/25/2005
6945511Gas socket
It shall be created a gas socket that allows a gas connector plug to get quickly connected and disconnected. When no gas connector plug is connected the gas socket should be tamper-proof and offer protection against the ingress of foreign matter. Also, the gas socke...
09/20/2005
6938810Fuel cell adapter system for combustion tools
An insert seal for an adapter connectable to a fuel cell which is engageable upon a combustion tool fuel metering valve, the fuel cell having a stem and the metering valve having a nipple, includes a body defining a central passageway and having a first end sealable...
09/06/2005
6895952Appliance end fitting
An appliance end fitting for connecting a gas operated appliance to a pressurized gas cylinder includes a simplified interior valve that acts as both a thermal valve and an excess flow control valve. The end fitting has an elongated body formed in two telescoping se...
05/24/2005
6820633Thermally-sensitive safety device for gas tubing
The present invention is to provide a thermally-sensitive safety device for gas tubing including a main body provided with an inlet, an outlet and a gas passage communicated with said inlet and said outlet, and a thermally-sensitive control valve mounted in the gas ...
11/23/2004
6769448Actuating device
A temperature dependent actuating device for a valve having a closure member which must be moved from a first to a second position to close the valve, the actuating device comprising a body, an actuating member supported by the body and moveable from a first non-act...
08/03/2004
6644336Method and apparatus for automatic shutoff of a valve when a substance is present in a flow of fluid
A tensile load is applied to a sensor element that will carry the tensile load in the absence of a substance and will fail to carry the tensile load in the presence of the substance. The sensor element is disposed in a flow of fluid, and a flow control me...
11/11/2003
6644337Damper assembly having improved strength characteristics
A damper assembly is provided having a fusible link assembly including an outer housing member and an inner channel member having side walls that are fused to the outer housing. A pair of damper arms are pivotally connected to a mounting bracket at a pivo...
11/11/2003
6615860Fire block conduit coupler
A coupler which is used in coupling plastic conduit through a separation in a building has plastic end regions for an overlapped accurately positioned sealed coupling with the plastic conduit to each end of the coupler. The plastic end regions are separat...
09/09/2003
6607004Fire prevention safety device for gas meters
A fire prevention safety device for a gas meter (3) has closure means (4, 4', V) that can be activated by heat to interrupt the gas supply into the gas meter (3) in the event of a fire. The gas meter (3) is arranged in a bypass (2) of a gas pipe (1). At l...
08/19/2003
6484742Cartridge assembly for valve
A cartridge assembly for a valve is disclosed. The cartridge assembly includes a cartridge containing an activation component. The cartridge and activation component are configured to be replaceable as a unit. The activation component prevents the valve f...
11/26/2002
6363962Crash valve actuator
A crash valve is located in a liquid tight dispenser pan at a gasoline service station to close a conduit conveying gasoline to a gasoline dispensing unit to prevent uncontrolled flow of gasoline in the event a vehicle crashes into the dispensing unit. Th...
04/02/2002
6293295Safety device for a hot water faucet for sanitary use and faucet, particularly thermostat, equipped with said safety element
The invention relates to a safety device for a sanitary hot water faucet characterized in that it comprises: a receptacle (10) passing all the way through a casing having a T shape, a seat (14) of a valve (15), delimited in the bore near its upstream end, installed...
09/25/2001
6279597Thermal safety valve for automatically shutting off pipes
Inside the casing (1), there are three or more ribs (8) arranged with their longitudinal axes parallel to the closing body's direction of movement when closing so that each rib forms a slide-way for the closing body (5) moving from open into closed positi...
08/28/2001
6250326Dual temperature fire damper releasing system
A mechanical dual temperature damper closing mechanism having a primary link that separates when the ambient temperature reaches approximately 74° F., closing the damper. The new mechanism provides a reliable means for reopening the damper to allow airfl...
06/26/2001
6202667Apparatus and method for stopping the propagation of ignited flammable gas in a conduit
An apparatus and a method for stopping the propagation of an ignited flammable gas in a conduit used in semiconductor processing are proposed and described. In the apparatus, a mounting mechanism and a bullet are provided inside an elongated conduit body ...
03/20/2001
6176052Fire retarding division penetrating member
The installation of a fire retarding division-penetrating member is enhanced and the member fits the outer circumference of inconstant penetrating material to prevent the filler from dropping. The heat expansion fire resistant material may be securely pro...
01/23/2001
6161564Fire transmission prevention system
A fire transmission prevention system (10) for use in a drainage system (100) to prevent the transmission of smoke and fire through the drainage system. The system is intended to be used in drainage systems in multi-story structures. The system includes a...
12/19/2000
6155285Gas safety valve
A gas safety valve includes a main body having a longitudinal through hole that defines a gas passage. A ball is moved to a position blocking the gas passage when a sudden pressure drop occurs in the outlet end of the gas passage. A connector is mounted a...
12/05/2000
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