Matches 101 - 150 out of 483 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6408692 Liquid level sensor  
A liquid level sensor is provided that comprises an integral housing including therein a pickup tube, a return tube and a float cavity with a float positioned therein. Sensors are positioned within...
6401533 Level indicator  
A fluid level sensor that is particularly useful in fluid fuel tanks of motor vehicles wherein a resistor network is arranged on a fixed support and it is possible to generate an output signal from...
6397674 Method and apparatus for sensing the level of fluid within a container  
An apparatus for sensing a level of fluid within a container. The apparatus includes a support coupled to the container. The apparatus additionally includes first and second floats. Each of the...
6389892 Liquid level detection device and method of manufacturing conductor electrode used therefor  
A liquid level detection device having a contact portion or a conductor electrode withstanding degradation is provided. The liquid level detection device 1 includes a moving element including a...
6380734 Control element assembly position verification apparatus  
A position verification apparatus comprising a movable member disposed within and movable with respect to a housing containing the movable member, a means for generating a magnetic field within the...
6370952 Vehicle oil level monitoring system  
A vehicle oil level monitoring system for verifying the amount of oil in an engine without requiring the user to access the engine compartment. The vehicle oil level monitoring system includes a...
6367325 Motor vehicle fuel level sensor  
Disclosed herein is a fuel sensor suited for sensing the level of fuel in a motor vehicle fuel tank. The fuel tank includes an interior mounting to which the fuel sensor is affixed. The fuel sensor...
6363785 Relative location detection sensor  
In one embodiment, a relative location detection apparatus including a detection unit having a support board having a plurality of spaced reed switches mounted along a lengthwise axis of the...
6336362 Method and system for measuring and remotely reporting the liquid level of tanks and the usage thereof  
A system and a method for periodically detecting the level of liquid propane in industrial, commercial and residential tanks; and transmitting this information from a remote location to a host...
6305220 Fuel gauging system for a motor vehicle fuel tank  
A fuel gauging system for a motor vehicle fuel tank, including a housing (100) supporting a resistive element (200), an arm (300) pivotally mounted on the housing (100) and comprising at least one...
6289731 Liquid level detector  
A liquid level detector that includes an internal tube, a coil wound on an external surface of the internal tube, an external tube, a float ball, a base, and an upper fixing socket. The float ball...
6289728 Apparatus and method for determining the amount of liquid contained in a storage tank  
An apparatus and method for determining the amount of liquid contained in a railroad tank car, or any other liquid storage tank having an interior region defining a predetermined relationship...
6276201 Fuel tank for a motor vehicle  
In a fuel tank (1) for a motor vehicle, a carrier (12) of a fuel level sensor (8) is manufactured in one piece with a wall of the baffle (4). As a result, the fuel tank (1) is composed of a very...
6269695 Analog liquid level sensor  
Two embodiments of an analog liquid level sensor are provided for measuring the level of a liquid in a container having a volume/depth relationship wherein each sensor has a...
6253608 Side mount liquid level sensor with enhanced float travel  
A side mount liquid level sensor (10) includes limit arms (100, 102) on the float (80) and limit wings (54, 56) on the switch housing, with the limit wings (54, 56) being spaced vertically from the...
6253610 System for monitoring fluid level  
A wiper for use in a system for monitoring fluid level in a fluid storage container. The wiper has a body portion, a first lengthwise end, a second lengthwise end, a first side, a second side...
6232769 Modular waveguide assembly for a position sensor and method for making the same  
A modular waveguide assembly for use in a position sensor promotes efficient manufacturing, and can be tested and handled separately from the electronics module of the sensor. The waveguide...
6212950 Glass interlaced fuel system low current rheostat  
A fuel level indicator system that utilizes a resistor card having an arc-shaped resistive path with a first set of spaced apart conductor lines and an arc-shaped resistive ink material overlying...
6209392 Fuel level sensor with miniaturized ceramic resistor card  
A fuel level sensor is provided having a contact arm pivotally mounted to a frame adjacent a cam that translates the pivotal motion of the arm into a linear motion so that a contact arm may move...
6192753 Inductive sensor for monitoring fluid level and displacement  
A sensor system for measuring the level of a fluid includes a tube having a primary coil and a pair of secondary coils wound thereabout. The secondary coils have a periodically varying winding...
6192754 Sensor system for measuring displacements  
A sensor system for measuring displacement includes a first member having a primary coil and a pair of secondary coils wound around a longitudinal axis thereof. The secondary coils have a...
6185994 Oil level detector for detecting the oil level in the oil tank of a vehicle  
An oil level detector includes a circular holder base installed in an oil tank of a vehicle to hold an insulative sleeve in a bottom tube thereof, a float floating with the level of oil along the...
6176133 Fuel sending unit having a fuel filter combined with a fuel float  
A fuel sending unit assembly includes a pump for pumping fuel from a storage system to a combustion system, a float for measuring the level of fuel remaining in the storage system, and a filter for...
6142018 Conductor burnishing  
A variable resistor useful for automotive type fuel senders has a cermet film fired upon a refractory substrate. The cermet film is burnished to reduce asperity of the fired film. The resulting...
6138524 Mounting arrangement for a device for detecting the fuel level in a fuel tank  
A fuel level detecting device has a first locking mechanism including a locking member, clamping portions for clamping a mounting surface, and pawl arms which are on a body of the device. A slit...
6124794 Empty product detector  
The alarm mechanism of the invention signals the absence of a liquid from a source of aqueous liquid. The alarm mechanism comprises an alarm body having an inlet port and an outlet port; the inlet...
6067854 Apparatus for sensing liquid level  
The level of liquid in a tank is sensed using a pair of magnets arranged such that when in proximity to each other, a magnetic force is generated that activates a micro-switch. One of the magnets...
6067856 Liquid level gauge and improved float construction therefor  
A float for a liquid level gauge mechanism is disclosed, along with the mechanism with which such float is used. The float takes the form of an elongated hollow body of approximately the same...
6065336 Oil level detector mounting arrangement  
An oil level detector mounting arrangement, which includes a mount having a downward tube dipped in the oil in the oil tank of a vehicle, a float floating in the oil in the oil tank and moved along...
6058775 Integrated liquid level and auxiliary sensor system and method  
A magnetostrictive liquid level probe in a double-walled liquid container develops liquid level data and external sensors in the space between the walls respond to the presence of liquid leaked...
6026837 Automated chemical drain system  
The present invention provides an automated chemical drain system which includes a buffer tank for collecting used chemical from a process machine, at least two level sensors in the buffer tank for...
6021668 Indicator system  
This invention includes a combustion engine fuel level indication system operable at 10 mA or lower and without any contact resistance buildup. The present system utilizes a noble metal ink...
6002328 Tank display system and method for determining the remaining volume in a tank  
A tank display system for a tank filled with fuel, the tank being divided into a main tank and a supplementary tank, has a level limit switch which responds when the main tank is almost empty. If...
5998991 Pickupless magnetostrictive position measurement apparatus  
A method and apparatus for determining the position of a movable object along a magnetostrictive wire having first and second opposed ends. A first electrical excitation pulse is applied to a...
5986449 Self-contained liquid level detection apparatus with substantially constant cross-section outer tube  
A liquid level detection apparatus includes an outer tube of substantially constant diameter. A magnetostrictive wire is supported within the outer tube. An electrical circuit is mounted within the...
5950487 Gauge for measuring liquid levels  
An apparatus for measuring liquid level in a container, the apparatus having a flexible measurement scale attached at one end to a weight for retainment at the bottom of the container and at the...
5920255 Ratiometric processing and driver circuit  
The electronic interface circuit can perform ratiometric processing and driving of a signal generated by a fuel-level detector of a vehicle. The circuit uses a current mirror configured so as to...
5901740 Continuous extended holding tank with variable resident time  
A tank for holding a liquid for a predetermined and relatively long time in a continuous flow process. The tank includes an inner compartment with an inlet and an outer compartment with an outlet....
5886312 Switch level control for tank ullage determining system  
A liquid level sensor for a tank includes coaxial inner and outer tubes having lower ends extending into the tank and upper ends projecting from the tank, with the upper end of the inner tube...
5880423 Water level sensor  
A water level sensor includes a magnetic tube and a float disposed on a vertical oval rod portion of the magnetic tube. A magnetic switch is contained in the magnetic tube and connected with a...
5874899 Tank level gauge and sensor head therefor  
A universal read head for a tank-level float gauge is adapted for use with any of certain different types of gauge rods which may be connected to a float element in the tank, including rods having...
5862702 Sealing assembly for the sensing probe of a level detector  
Both ends of a sensing probe are sealed by an assembly including a fixing disk, a sensing probe, a sensing circuit, a floating collar and an external tube is provided. The fixing disk is provided...
5848549 Magnetostrictive position sensing probe with waveguide referenced to tip for determining fluid level in a container  
A magnetostrictive position sensing device is disclosed where a probe assembly surrounding a waveguide is anchored at one end to the bottom of a tank and terminates in a transducer assembly...
5850175 Water level detector  
A liquid level detector utilizing a housing having a wall portion defining a inner chamber. The inner chamber communicates to the exterior of the housing through an opening which also permits...
5829303 Method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float  
A method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float. Firstly, providing an elongate float having an...
5806363 Tank level gauge of driven sensor type  
A level gauge for a tank of a driven sensor type includes a drum around which is wound a thread on the end of which is suspended a driven level sensor. A reversible servomotor drives the drum with...
5793200 Position responsive magnetic sensing elements for sensing the position of a member at a remote site  
The effective operating range of an actuator magnet on a position detecting array of solid state hall effect devices improved by the use of flux concentrating elements which direct the flux along...
5765435 Apparatus for indicating fuel level in a fuel tank  
A fuel level indicator is mounted on a casing (2) in a fuel tank (1) and includes a float lever (6) connected to a lever arm (17), the float lever (6) having an elbow portion (16) passing through...
5746088 Fuel system low current rheostat  
This invention includes a combustion engine fuel level indication system operable at 10 mA or lower and without any contact resistance buildup. The present system utilizes a noble metal ink...
5743136 Fluid level sensor with resistive and conductive layers  
In one embodiment of the present invention, a fluid level sensor includes a resistive element and a float coupled to a contact. The float moves in response to the fluid level, causing the contact...
Matches 101 - 150 out of 483 < 1 2 3 4 5 6 7 8 9 10 >