|
Match
|
Document |
Document Title |
|
|
7649433 |
Circuit breaker with magnetically-coupled trip indicator
An oil-immersed circuit breaker is provided having a mechanical/magnetic trip indicator. In a preferred embodiment, the trip indicator comprises a mechanical drive train (coupled to a conventional...
|
|
|
7105757 |
Magnetic flow switch, for aspirators in particular
A magnetic flow switch (1) is described that includes a body (2) defining a chamber (20) destined to have a fluid flow pass through it, an excitation magnet (4) placed in a shuttle (3) mounted such...
|
|
|
7105756 |
Flowswitch having reduced number of parts
A flow switch includes a straight, rigid paddle arm and a hub formed mid-length of the paddle arm. An elongate cylindrical member and an elongate paddle handle are formed integrally with the hub...
|
|
|
6740827 |
Bi-directional piloted solenoid-operated valve
A bi-directional piloted solenoid-operated valve which utilizes fluid pressure to provide both pressure-assisted sealing and pressure-assisted actuation to the main sealing disc in both flow...
|
|
|
6552283 |
Activation flow switch for tankless water heaters
A flow switch for use in tankless water heaters. The present invention is an activation flow switch for tankless water heaters. More specifically, the flow switch is comprised of polypropylene...
|
|
|
6548775 |
Paddle flow monitoring device
A flow sensor has a paddle assembly that is mounted to a housing by opposed pivot posts which extend from the paddle assembly between the paddle and the magnet. The housing has two pivot post clips...
|
|
|
6528748 |
In-line flow switch assembly including magnetic sensitive plunger and microswitch actuator
A flow switch for a high pressure washing system or other flow-related system is disclosed. The flow switch switches from an open to a closed position in the presence of adequate flow in a water or...
|
|
|
6472624 |
In-line flow switch
A flow switch for a high pressure washing system or other flow-related system is disclosed. The flow switch switches from an open to a closed position in the presence of adequate flow in a water or...
|
|
|
6394670 |
Parts maintenance managing system
A system comprises a first maintenance interval storage for storing a first maintenance interval of each component which is not related to an actual utilization of an apparatus, a second...
|
|
|
6384352 |
Air sensitive user input devices
An air sensitive input device is capable of use in a variety of environments which include, without limitation, toys, computer and video games, consumer appliances, musical instruments, and devices...
|
|
|
6084187 |
Filter bypass switch
A filter bypass switch for detecting a clogged or restricted flow condition in a filter such as an oil filter, the bypass switch including a housing having a passage extending therein, a plunger...
|
|
|
5920265 |
Waterline leak detection and shutoff system
A waterline leak detection and shutoff system comprising an in-line flap valve which includes a pivotal valve flap member having attached thereto a magnet and first magnetically responsive switch...
|
|
|
5888381 |
Water filter with pressure actuated flow monitor
A faucet mounted water filtration system with a filter life monitor includes a filter housing with a flexible cap which deflects upon introduction of water into the housing. The deflection of the...
|
|
|
5829431 |
Microphone attenuation device for use in oxygen breathing masks
A microphone signal attenuating breathing mask body having a gas port for inhalation of a gas to the wearer in a flow stream therethrough. A demand microphone is mounted to the mask and is coupled...
|
|
|
5503175 |
Water safety system
A water safety valve, system and method for detecting and shutting off water flow due to leaks or breaks in a water line in which the water flow is at a very low rate on the order of three to five...
|
|
|
5416294 |
Gas-flow operated switch
A gas-flow sensor features delayed-action response to physical changes in gases as they flow through the sensor, thus avoiding transient flow-metering displacements in response to such change. The...
|
|
|
5236578 |
Filter life indicator for water purification system using magnetically actuated switch
A filter life indicator is described herein utilizing a constant flow channel and a flow actuated switch incorporating a reciprocating magnetic member to start a timer. Circuitry monitors this...
|
|
|
5183983 |
Flow switch assembly for fluid flow monitoring
A basic housing for a fluid flow monitoring assembly comprising a sensing leakproof elongate hollow body formed from a non-magnetic, metallic material and pivotally mounting internally of same a...
|
|
|
5172089 |
Pool pump fail safe switch
A fluid detection device designed to detect the presence of fluids in a flowing or non-flowing state and having the ability to energize or de-energize large current devices such as a swimming pool...
|
|
|
5162624 |
Flow switch
A fluid flow rate responsive signal generator includes moveable members which, in part, define a pair of paths for the flow of fluid. A first of the moveable members is a shuttle which supports a...
|
|
|
5144977 |
Fluid valve with actuation sensor
Method and apparatus for remotely detecting when a safety relief valve is initially opened includes a permanent field fixedly associated with the closure member and a magnetic proximity switch...
|
|
|
5126097 |
Fluid flow sensing and switching device
The present invention is related to the fluid flow sensing and switching device installed in an air-conditioning system, particularly in a heat exchanger, which has a hollow body or housing to...
|
|
|
5126722 |
Point of lube monitor
A piston-type point of lubrication magnetic flow indicator providing a barrel interfit with a bushing having a cylinder portion penetrating the barrel coaxially and a magnetic piston which...
|
|
|
5091612 |
Magnetically actuated proximity flow switch
A flow switch adapted to be attached to a pipe is designed to trip a switch at a preset flow rate. The switch employs a bending metal blade which deflects in the flow stream to move a magnet...
|
|
|
5070220 |
Flow-switch construction
A flow-sensing configuration embodies straight-through geometry between inlet and outlet ports, all on a single central axis, using reed-switch and magnet technology to produce a logic output....
|
|
|
5021619 |
Flow responsive switch apparatus
A liquid flow switch apparatus is provided for connection to ducting wherein liquid flows forwardly. The apparatus comprises: a support body connectible to the ducting; a stem carried by the body...
|
|
|
5019678 |
Fluid flow switches with low flow resistance
A flow switch includes a movable shuttle enclosed within a bore having narrower and wider bore sections. The shuttle has a solid cylindrical portion and a vaned portion. When there is no fluid flow...
|
|
|
4996396 |
Flow switch
The invention contemplates a flow-switch construction of the straight flow-through variety wherein a magnet-bearing piston is displaced in response to a hydraulic-flow condition and in the...
|
|
|
4963857 |
Translatable dual magnets
A fluid flow detection device includes a fluid conduit, at least one magnet translatable by action of the flow of fluid (gas or liquid) in said conduit and a switch which is caused to change state...
|
|
|
4928520 |
Plug release indicator
A plug release indicator is provided which includes an elastomeric probe, with a wire embedded therein, which extends into the interior area of a plug housing or well casing. The wire has a lip at...
|
|
|
4906807 |
Apparatus for monitoring the flow of fluid media in a pipeline
An apparatus for monitoring the flow of fluid in the pipeline has a hollow housing with a control element movably supported therein. The control element is movable under the action of the fluid...
|
|
|
4900896 |
Continuous flow water heater with magnetically-actuated flow switch
A continuous flow water heater has a sealed chamber containing an electrical heating element and a diaphragm having an orifice through which water must flow upon a demand for hot water. The center...
|
|
|
4883928 |
Float switch, a control apparatus and a warning apparatus of an engine
A float switch and a control apparatus of an internal combustion engine are disclosed. This float switch comprises a float attached to a main body so as to be vertically swung around one end...
|
|
|
4879439 |
Apparatus for controlling start up and stop down of a hydraulic pump
The apparatus is of the kind comprising a flow detector supplying, in the absence of flow, a stop down signal for the pump, a pressure detector supplying, for a predetermined minimum value of the...
|
|
|
4858647 |
Attitude-insensitive, by-pass sensor
Disclosed is a valve having a body having an inlet channel, an outlet channel in fluid communication with the inlet channel, and a flow-monitoring region situated medially between the inlet and...
|
|
|
4827092 |
Flow monitor with non-rotatable mounting
A flow meter or monitor arranged on a conduit section through which a medium to be monitored flows includes an actuating element extending through an opening in a wall of the conduit section, with...
|
|
|
4791254 |
Flow switch
A switch is responsive to fluid flow within a conduit. It is highly sensitive to variations in flow and forms an effective seal between the fluid and atmosphere. It includes a plastic pivot ball in...
|
|
|
4788534 |
Wind alarm sensor
A frame member having two side walls and two end walls surround a cavity, and a cylindrical member is supported for pivoting in the cavity of the frame member. A magnet is mounted on a side of the...
|
|
|
4788389 |
Flow switch valve
A flow switch valve including a housing main body comprising a plurality of valve casings stacked contiguously and each having a fluid flow channel and a valve seat member, a valve member passing...
|
|
|
4739135 |
Attitude insensitive automatic reset flow sensor
Disclosed is a non-position sensitive, non-memory condition sensitive, automatic reset flow sensor having a solid housing having an inlet port and an outlet port connected by an axial bore through...
|
|
|
4674338 |
Flow volume detection device
The present invention is directed to an apparatus and method for monitoring the continued rotation of a non-magnetically attractive indicator, e.g., a rotating, plastic dial, disc, wheel, arm or...
|
|
|
4638276 |
Reed switch with a housing and a pulse generator
A reed switch includes a housing in which extends a stepped bore for slidably receiving a magnet carrying sleeve. The sleeve includes a longitudinal bore which receives a glass tube. The sleeve is...
|
|
|
4611105 |
Device for the measurement of through-flow with potential-free end contact switch
A device, disposed in a tube line, for the through-flow measurement of gases or liquids according to the float element principle with a float element (4) which is disposed in a narrow measuring...
|
|
|
4603707 |
Purge block for gas systems
IA purge block is disclosed in which inlet, process, purge and vent ports are series connected in a ring or bridge. The channel or passageway connecting the inlet and purge ports comprises a flow...
|
|
|
4600034 |
Device for the perception of gas flow
This device is to be installed between the origin of a gas supply and a gas supply pipe on a gas utilizing tool. As a diaphragm moves up, due to the difference in atmospheric pressure inside a...
|
|
|
4563179 |
Blocking condition detection device in a fluid injection system
A medical fluid injection system comprises a flexible conduit, a supply device, a movable element, and a blocking condition detection device. The supply device supplies a pressurized medical fluid...
|
|
|
4533802 |
Liquid flow switch and method of using same
A switch responsive to changes in flow rate of a flow of liquid including a chamber with a liquid flow inlet and outlet at an upper level and a restricted orifice at a lower level for continuously...
|
|
|
4513184 |
Flow actuated switch
A fluid flow indicator including a magnetic switch mounted adjacent a fluid carrying conduit. A magnetic plunger is loosely contained by the conduit and is urged to the proximity of the switch by...
|
|
|
4510358 |
Fluid actuated switch
A fluid actuated switch including a fluid responsive vane pivotally mounted within a fluid directing channel is provided. The vane oscillates a movable electrical contact between two spaced...
|
|
|
4500759 |
Fluid flow switch
A flow switch is disclosed comprising a body member having a fluid inlet and a fluid outlet defined therein. An outer core tube is disposed within the body member and has a first and a second end....
|