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Class 340/614 - Pressure


Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein the level is sensed by the pressure
No. of patents: 82
Last issue date: 02/07/2012


1      
NumberTitleIssue Date
8111167Level indicator and process for assembling a level indicator
The invention relates to a level indicator (100) for measuring the fill level of a container, with an electronic control and evaluation system (132, 232) and an interface (133, 233), that are positioned in a housing (131, 231); a sensor u...
02/07/2012
7804414Collision-detecting device for automotive vehicle
A device for detecting a collision of a vehicle with an obstacle includes an enclosed space positioned behind a front bumper cover. Deformation or displacement of the bumper cover due to a collision is transmitted to the enclosed space. Air pressure in the enclosed ...
09/28/2010
7456753Internal pressure explosion-proof system
An internal pressure explosion-proof system is provided that is capable of detecting high-pressure abnormality of an internal pressure explosion-proof mechanism, urging a check of gas/air apparatus by providing a means for notifying a user of abnormality, and decrea...
11/25/2008
7450020Signaling pressure detection assembly
Apparatus for remote monitoring of a portable pressurized container, such as the tank of a fire extinguisher, includes a pressure sensor that detects pressure of material contained within a volume defined by the portable container and communications circuitry in com...
11/11/2008
7436312Condition assessment system and method
System and method for monitoring and controlling one or more valves. The method can include sensing a condition of a valve, transmitting the condition to a sensor server, and transmitting a data stream including the condition to an assessment application. The method...
10/14/2008
7427923Device for detecting a body fall into a swimming pool
The invention relates to a device enabling an alarm to be triggered in the event of a fall into a swimming pool, and preventing false alarms caused by disturbing elements such as the wind. Said device consists of a probe (1) which is submerged in the liquid u...
09/23/2008
7336190Early detection and advanced warning “waste is backing up” apparatus and method
A device for the early detection and advanced warning that waste is backing up in a waste pipe line comprising: a tubular body member having an open lower portion, a central hollow core extending axially there through, and a closed upper portion. The open lower port...
02/26/2008
7298279Open-ended device monitoring system
An emission prevention system for use on an open-ended line includes an end-cap and a proximity sensor. The proximity sensor is preferably configured to detect a change in the extent of engagement between the end-cap and the open-ended line. A method of monitoring t...
11/20/2007
7284428Sensor housing for use in a storage vessel
A detection apparatus for use in a vessel for measuring a fluid includes a tubular connected to a housing containing sensors, wherein the housing includes a top, a bottom, and a hole disposed in the top of the housing. The housing containing sensors includes an oute...
10/23/2007
7271721Protected distribution system
An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially surrounds the first tube to define a substantially fluid-tight chamber thereb...
09/18/2007
7222005Abnormal oil pressure reduction determination device for vehicle transmission
An abnormal oil pressure reduction determining device has an oil pressure sensor which detects a real oil pressure, a sensor which detects a vehicle running state, and a controller which sets an oil pressure command value for an oil pressure control mechanism. The c...
05/22/2007
7191072Pressure and temperature measurement of a piezo-resistive device using differential channel of a ratiometric analog to digital converter
A temperature and pressure measuring circuit is provided. The circuit comprises an uncompensated pressure transducer, an analog-to-digital converter, a reference resistive device, and first and second switches. The transducer has variable resistive devices between f...
03/13/2007
7174769Monitoring contents of fluid containers
Apparatus for remote inspection of fluid containers, e.g., portable tanks or fluid pipelines, includes an electronic circuit in communication between each container (or at various locations along a pipeline) and a remote central station. The electronic circuit is ad...
02/13/2007
7173539Condition assessment system and method
System and method for monitoring and controlling one or more valves. The method can include sensing a condition of a valve, transmitting the condition to a sensor server, and transmitting a data stream including the condition to an assessment application. The method...
02/06/2007
7145467Medical gas alarm system
A medical gas alarm system for use in a healthcare facility having a medical gas system and having a network of computer devices is provided. The alarm system includes at least one area alarm controller adapted to receive a first signal indicative of a condition of ...
12/05/2006
7145450Compactor service and monitoring system
In this compactor service and monitoring system, compactor fullness and other critical parameters are monitored by an on-site processor. Compactor fullness is monitored using a pressure sensor capable of measuring hydraulic fluid system pressure for a compactor ram ...
12/05/2006
7088227Alarm for a hydraulic system, hydraulic system, method of giving an alarm and vehicle incorporating a hydraulic system
An alarm for a hydraulic system, a hydraulic system incorporating an alarm, a vehicle having a hydraulic system which incorporates an alarm, and a method of giving an alarm in a hydraulic system, where the hydraulic system comprises hydraulic fluid which is put in c...
08/08/2006
7079037System and method for indicating liquid level condition
An indicator for displaying either low liquid level or satisfactory liquid level conditions within a tank includes a sensor for detecting the liquid level conditions, a photodetector for detecting an ambient dark condition, a pair of indicator lights for indicating ...
07/18/2006
7075425Apparatus and method for monitoring sewer system operation
Disclosed are methods and apparatus for monitoring a plurality of grinder pumps, and in particular, remotely over a communications network. Aspects of the invention include an alarm panel having a modular configuration, a modem board which allows use of a single tel...
07/11/2006
7066919Alarm for a fluid-dispensing/receiving receptacle
A fluid receptacle alarm assembly and/or kit comprising a fluid receptacle, an alarm module and at least one magnetic field source. The alarm module comprises an alarm, a magnetically-actuated switch, and a power source. The alarm module is attachable to a first sur...
06/27/2006
7061387Measurement instrument, especially for level or pressure measurement with speech assistance
The invention relates to a measurement instrument, especially for level and pressure measurement with a controller (9), which is connected to a memory unit (8), an input unit (11), and also an output unit (12). Here, the output unit (1...
06/13/2006
6987448Medical gas alarm system
A medical gas alarm system for use in a healthcare facility having a medical gas system and having a network of computer devices is provided. The alarm system includes at least one area alarm controller adapted to receive a first signal indicative of a condition of ...
01/17/2006
6979503Method and apparatus for burst disk identification
The present invention provides a method and apparatus for identifying an activation of a burst disk. A pressure data or a temperature data relating to a flow is received. A determination is made whether the flow is interrupted based upon the at least one of the pres...
12/27/2005
6975216System and method for indicating fluid condition
A fluid condition indicating system and method using visual and audible devices. The system includes a circuit having visual and audible indicators, a power supply, and a plurality of switches or sensors. A start switch is coupled to the power supply, the visual ind...
12/13/2005
6963286Wheelchair and alarm therefor
The present invention relates to a wheelchair and an underseat alarm system therefor. ...
11/08/2005
6931925Method for determining the current filling level of a liquid in a container
The invention relates to a method for determining the current filling level of a liquid, preferably a calibrating, quality control, or cleaning fluid, or waste water, in a container, for example of an analyzer, where an immersion pipe is dipped into the liquid in th...
08/23/2005
6931926Liquid depth sensing system with liquid identification capability
The present liquid depth sensing system with its liquid identification capability provides an economical device which may be installed in a multitude of different applications to perform multiple quantity measurement and detection functions. The present system inclu...
08/23/2005
6922144Monitoring system for a mobile storage tank
A remote monitoring system for a mobile storage tank having a product container in which a remote telemetry unit gathers liquid level and head space pressure data and global position data. The remote telemetry unit effects a wireless transmission of a standard messa...
07/26/2005
6696964Device for monitoring the filling of a bag
A device for monitoring the filling of a bag (10) comprises a resistor element to be mounted on the outside surface of the bag, the resistor element being a flexible potentiometer (20), the resistance whereof being changed by bending of the potentiometer ...
02/24/2004
6636155Gauge having adjustable activating means
A mechanical gauge having a mechanism for setting multiple alarms within tolerance values. When such tolerance values defined by the mechanism are reached, the same mechanism activates an alarm....
10/21/2003
6561085System and method for variably adjusting the pick-up level of one or more waste compactor containers
A method and system for remotely managing a network of one or more waste compactor containers, each of which is associated with a monitoring unit and has a set of operating parameters including a container pick-up level. The method and system further allo...
05/13/2003
6408261Systems for remote management of a network of waste containers
A system for remotely managing a network of waste containers (12), each of which is associated with a monitoring unit (38), utilizes a central computer (50) having a communication link to each monitoring unit (38). The central computer (50) provides a dyn...
06/18/2002
6229447Indicator assembly for a pressurized gas line
An indicator assembly includes a conduit segment located in place along a gas supply line served by a pressurized tank. A pressure actuated switch of the assembly closes upon sensing gas pressure in the conduit segment to close a circuit including a batte...
05/08/2001
6163249Alert system for handicapped individual
A device for assisting relocation of a handicapped individual, which device has a frame that is disposed between an individual and a surface underlying the individual to assist movement of the individual across the underlying surface. The frame has a firs...
12/19/2000
6082392Dual hose assembly and control system for truck-to-truck fuel transfer
A hose assembly is provided for transmitting liquid fuel between the fuel tank of a highway truck and the fuel tank of an airport refueler. The assembly comprises inner and outer hoses. The inner hose transmits liquid fuel. A sealed passage is formed betw...
07/04/2000
6067021Apparatus for hydraulically moving a vehicle part
An apparatus for hydraulically operating a rear cover, covering top or the like (1) on a vehicle, with at least one double-acting hydraulic working cylinder (3), which, on the one hand, is connected to the vehicle and, on the other hand, to the covering t...
05/23/2000
6064311Process for generating at least one warning signal relating to the level in a product storage tank and device for implementing the process
The process for generating at least one warning signal relating to the level in a tank (3) for storing a product (4) comprises the following steps: the storage level of the product in the tank, together with the values of the product quantity consumed dur...
05/16/2000
6040776Collection of process effluent
Described herein is an alarm system for use with a `bag-in-box` arrangement (10) which is used to collect effluent from a processing apparatus (20). The alarm system comprises a chamber (50) located between the processing apparatus (20) and the `bag-in-bo...
03/21/2000
5999106Monitor for fluid dispensing system
Apparatus and methods for monitoring a characteristic of fluid flow through a fluid dispenser that permit adverse flow conditions to be monitored, analyzed and displayed to an operator. The monitor samples either the static or firing pressure a predetermi...
12/07/1999
5942980Multi-sensor hydrostatic gauge for fuel storage tanks
A probe rod is provided with sensor housings, pipe sections, and joint sleeves all having a common outer diameter. The sensor housings and joint sleeves are threadably connected to the various pipe sections. The threadable connections have a double seal u...
08/24/1999
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