6590 results about "Load cell" patented technology

The invention discloses a front-tip vertical-type telescopic sand storage tank for an oil field, and the front-tip vertical-type telescopic sand storage tank is characterized by consisting of a cylindrical tank body (1), a telescopic inner tank body (2), a hydraulic oil cylinder (3), a lifting lug (4), a guide boot sleeve (5), a discharging device (6), an electrical device (7), a weighing device (8), an auxiliary supporting leg (9) and a fixing base (10); the telescopic inner tank body (2) slides relativelrelative y to the cylindrical tank body (1) to realize the telescopic function; and when the sand storage tank is transported, the length is greatly shortened compared with the traditional storage tank with the same volume, the transportation condition of a severe road condition can be satisfied, the discharging device (6) is convenient and flexible, a universal sand transporting function can be realized, the weighing device (8) utilizes a pin shaft weighing sensor, so that the sand transporting quantity and the sand storage quantity inside the tank can be directly read, and the tank body is stable and reliable.

An apparatus for preventing occupant injury during accident has various features to ensure safety. A sensor 70, detecting seat belt engagement is provided. In addition, there is a means for varying the tension of a seatbelt 17, depending upon the weight of the occupant 110 and the speed of the vehicle carrying the occupant 110. When the occupant 110 seats on any of the seats 17, the load cell switch 18 will close, allowing the load cell output energy to energize the control module 25. The control module 25 will then enables the counter 50 to count the number of closed load cell switches 18. The control module 25 further enables an optoisolator switch configured with the sensor 70 to then energize a latching relay 80 operatively configured to check the seat belt latching of all occupied seats 10 with closed load cell switches 18, to assure occupants safety. The load cells are configured with strain gauges and temperature sensors to ensure human occupants. Such that, when the switch 18 for the occupied seat 10 is closed, the latching relay 80 circuit is energized so that the seat belt 17 for the occupied seat location is checked for buckling. The latching relay 80 circuit and the counter 50 circuit are operatively configured and closed only when an occupant 110 takes any of the seats 10. The latching relay switch 85 is only energized when the counter circuit 50 is closed.

Systems and methods for applying guided active compression decompression cardiopulmonary resuscitation are provided. Exemplary systems include a load cell, a handle, an adhesive pad. The handle and the adhesive pad are configured for magnetic coupling.

A method and system using one or more load cells coordinates load testing of one or more sites under test over a network such as the Internet in accordance with one or more load test requests. In one embodiment, such method and system facilitates an economic, efficient, and accurate evaluation of the capacity of the SUTs to support concurrent users of the SUTs. A load test request is received from a User and provides information concerning a load test to be performed on a site under test (SUT). A load test is generated, and the load test is allocated to one or more load cells. The load cells perform the load test by sending load test data to the SUT and receiving responses from the SUT. Portions of a load test may be allocated to different load cells, which may be geographically remote from the SUT and / or geographically diverse. Multiple concurrent pending load tests may be processed for the same SUT. A load cell may concurrently perform all or a portion of multiple different load tests for multiple different SUT's simultaneously. A reporting function generates a report based on the responses received from the SUT. The reporting function may in addition or alternatively allow the User to view real-time results during load test execution.

An infusion device comprises a pusher for a plunger of a syringe containing a liquid to be infused. A load cell measures the push force. An encoder associated to a motor commanding the pusher measures the displacement of the pusher. A controller signals an alarm when the ratio between the variation of the push force and the displacement exceeds a predetermined threshold. The device, which serves for infusing an anticoagulant into an extracorporeal blood circuit in a dialysis apparatus, is able to signal an onset of an anomalous situation of lack of infusion in good time.

A system and method for determining and monitoring various characteristics of a patient positioned on a patient support apparatus, such as a bed, stretcher, or cot, is disclosed. The system and method involve monitoring the forces exerted by the patient on one or more force sensors, which may be load cells on the support apparatus. These force sensors will detect vibrations that correspond to various conditions of the patient, including the patient's heart rate, breathing rate, and / or the seizure status of a patient. These vibrations may be analyzed, such as by Fast Fourier Transforms, in order to determine the various conditions of the patient.

A system and method for formulating a chemical solution using both volumetric and weight based measurements of components of the chemical solution is disclosed. The components of the chemical solution include water and at least one other component, which may take any form, such as, without limitation, liquid, solid, powder or gaseous form. Formulation of the chemical solution is administered by combining water with the one or more other components at an output port, from which this combination is dispensed to a solution storage tank. In response to a user's request to formulate a specified amount of the chemical solution, the volume of water provided to the output port is monitored by a flow meter and the weight of the other component(s) provided to the output port is monitored by one or more load cells. Based on such monitoring, appropriate amounts of water and the other component(s) are combined together to formulate the specified amount of the chemical solution in the solution storage tank.

This load cell attachment structure includes a male screw which is formed on a load sensing part of the load cell, a nut which attaches the load cell to the attachment plate by engaging with the male screw, and a wave washer which is disposed between the attachment plate and the nut.

An agricultural row unit includes a hydraulic cylinder coupled to a support member for urging a soil-engaging tool coupled to the support member downwardly toward the soil. A hydraulic line is coupled to the hydraulic cylinder for supplying pressurized hydraulic fluid to the cylinder, and a controllable valve is provided in the hydraulic line for controlling the supply of pressurized hydraulic fluid to the cylinder through the line. A pressure sensor, such as a load cell or strain gauge, is connected between the hydraulic cylinder and the support member for producing an electrical signal corresponding to the pressure on the tool, and a controller is coupled to the pressure sensor and the controllable valve, the controller being adapted to receive the electrical signal from the pressure sensor and produce a control signal for controlling the valve thus the supply of the hydraulic fluid to the cylinder.

A disc opener unit for an agricultural implement has a down pressure adjustment device that automatically adjusts the amount of down pressure applied on a furrowing disc based on strain measurements taken by a strain gauge or load cell. The strain gauge, which may be mounted to an arm that is used to set the position of a depth setting gauge wheel, provides feedback to a processor that in turn controls the amount of hydraulic fluid in a hydraulic cylinder to adjust the down force applied on the disc. The amount of down pressure is therefore adjusted in substantially real-time in response to changes in field conditions, which improves furrow depth consistency and reduces wear on the gauge wheel and its components.

Automotive load cells having centralized, multi-axis, loose tolerance overload / limit stops provide improved strain gauge response. The modular, integrated stop assemblies magnify sensor substrate deflection by use of opposed concave (Belleville) springs are used in direct contact with the substrate to accommodate ±Z axis deflection and Mx / My moment angular rotation. A flanged guide member on the load stud permits a wide range of geometries. The substrate is thickened around the load stud hole and the outboard support bolt holes. Hollow rivets assist in design modularity. Strain gauges are placed at the yield zones symmetrically with respect to the X axis. The substrate hole Mx / My gap is larger than the stop bracket hole to insure a positive stop for Mx / My moments prior to yield. The inventive multi-axis stop assembly is used in any type load cell, including rectangular, thinned, notched, necked / dogbone, or cantilever substrates with any strain gauge layout configuration.

A mobile platform for materials transport is provided. The platform includes a pair of suspension devices that in turn include a pair of rocker beams which can be rotated between two positions: a first position where central wheels attached thereto can be used to drive the platform; and a second position where the central wheels are retracted and the platform can be rolled on end wheels without the friction of the central wheels, and an associated drive system, impeding movement of the platform. Furthermore, data from sensors and / or load cells can be used to control movement of the platform; specifically, shifts in load distribution and / or sensed forces at the suspension devices can indicate that a load (and / or materials) has shifted and / or is shifting and movement of the platform is adjusted accordingly, for example to prevent the platform and / or the load (and / or materials) from tipping.

A capacitive sensing apparatus for a vehicle seat includes a deflectable dielectric mat and a flexible printed circuit that wraps around the major surfaces of the dielectric mat to define upper and lower conductor strips that overlap in a direction perpendicular to the dielectric mat. Overlapping regions of the conductor strips define an array of capacitive load cells distributed over the seating surface. A connector stub depending from the flexible printed circuit couples the conductor strips to an external circuit that measures the capacitance of the various load cells to determine occupant weight and weight distribution.

The bearing assembly includes an annular bearing in which the shaft is disposed and a support structure for supporting the bearing. The bearing support is mounted about and radially supports the bearing. The bearing support at least in part defines a squeeze film annulus of the bearing assembly. A plurality of centering elements is associated with the bearing and bearing support and act to center the bearing within the squeeze film annulus. The centering elements are provided at radially spaced locations around the bearing. The centering elements may also be cylinder springs provided at uniformly spaced locations around the bearing. The centering elements may additionally be load cell springs provided at uniformly spaced locations around the bearing. In an alternative embodiment, a singular annular wave spring may be provided in place of the plurality of centering elements.