Class 73/12.07 - By hydraulic or pneumatic forces

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the change in velocity of the specimen
No. of patents: 38
Last issue date: 06/09/2009

Number	Title	Issue Date
7543475	Device for simulating a side collision of a motor vehicle A device for simulating a collision of a motor vehicle by a laterally hitting impactor. The device comprises a seat carriage (3) which can be displaced in the transversal direction of the vehicle and on which a seat (5) is mounted, a lateral part carri...	06/09/2009
7516644	Apparatus for testing bending strength An apparatus for testing bending strength is provided. The apparatus includes a frame, a load-supporting platform, a motor, and a control part. The load-supporting platform is mounted on the frame. The load-supporting platform includes a vessel configured for receiv...	04/14/2009
7370538	Method and apparatus for determining insulation thickness A method for determining the thickness of a layer of insulation comprises the steps of: contacting a top surface of a portion of the layer of insulation, compressing the portion of the layer of insulation until a predetermined compressive load is achieved, measuring...	05/13/2008
7367213	Apparatus for testing bending strength An apparatus for testing bending strength is provided. The apparatus includes a frame, a motor, and a control part. The frame includes an impingement board. The motor includes a piston. A piston head is mounted on an end of the piston for impacting the impingement b...	05/06/2008
7367214	Shock and launch apparatus One embodiment of a shock and launch apparatus comprises a first carriage and a second carriage adapted to move along a carriage guide, wherein the first carriage has a mass M1 greater than a mass M2 of the second carriage; the carriage guide, ...	05/06/2008
7350406	Sensor chip breaking strength inspection apparatus and sensor chip breaking strength inspection method A sensor chip breaking strength inspection apparatus that performs sensor chip breaking strength inspection on a semiconductor wafer on which a plurality of sensor chips having a diaphragm portion are disposed includes: a stage on which the semiconductor wafer is mo...	04/01/2008
7324864	Apparatus and method for measuring forces imparted on valve assemblies of metered dose delivery containers during manufacture thereof An axial force measurement apparatus (40) comprises a head member (42) adapted for receiving force imparted by an external force-applying source, and a transducer (44) such as a load cell for measuring the amount of force applied to the head mem...	01/29/2008
7240534	Damper for high g-force shock pulse generator systems and methods The present invention provides systems and methods that can provide a high g-force to a test specimen. An exemplary system of the present invention includes a beam, rigidly fixed at one or both ends, on which a test specimen can be mounted. A loading device is prefe...	07/10/2007
7231804	Multiple shock event sensing device A non-electric, multiple shock event sensing device has shock sensors coupled to a substrate and arranged in an array defined by a plurality of rows and at least one column. At any given time, only one row of shock sensors is readied for the detection of a shock eve...	06/19/2007
7089777	High speed pneumatic accelerator A pneumatic testing apparatus is provided for accelerating a mass. The apparatus has a housing defining a reservoir and a cylinder having an opened proximate end and a closed distal end. The opened proximate end is positioned within the reservoir and a piston is pos...	08/15/2006
7007540	Methods and apparatus for conducting high g-force testing A high-g shock-producing device for testing a sample specimen is described which includes a beam and a shock column. The beam is of predetermined length and has at least one end substantially rigidly fixed with the specimen mounted thereon at a position remote from ...	03/07/2006
6962070	Apparatus and method for measuring characteristics of fluid spray patterns An automated impact testing system provides reliable measurements of spray patterns of high-impact nozzles. The impact testing system includes a load cell mounted on a transport for controlled movements in two directions. The load cell includes a sensing pin extendi...	11/08/2005
6943030	Multi-compartment reagent container having means to inhibit re-use thereof A method for automatically determining whether a reagent container is new and unused or whether the reagent container has been previously used whenever reagent containers are initially placed onto an analyzer. Unused containers have a flag or lock-out member that ca...	09/13/2005
6782732	Method for non-destructive stress wave testing of wood The present invention discloses a method for evaluating the sound speed end dynamic modulus of elasticity of wood by non-destructive stress wave testing, wherein a timber specimen of long post is placed steadily on a sensor near the center with friction, acting on t...	08/31/2004
6655190	Fixed beam high-g shock pulse generator apparatus and method An apparatus and method for use in testing devices under high-g environments is disclosed in which an elastic beam, rigidly fastened at least at one end, carries the device under test; the beam being pre-loaded to a bent position by a force producing memb...	12/02/2003
6634209	Weapon fire simulation system and method A method and system for simulating weapon fire includes a fixture having first and second faces. A mounting plate adapted to receive a component for testing of the component may be coupled with the first face. In a particular embodiment, a first pneumatic...	10/21/2003
6598456	Method and systems for control of acceleration pulses generated by HYGE type crash simulation sleds An acceleration pulse modulation method for HYGE (Hydraulically Controlled, Gas Energized) crash simulation sleds uses servo-controlled accelerators on moveable parts of the crash simulator components and acceleration measurement instrumentation for compa...	07/29/2003
6535825	Method and device for obtaining calibration data of mechanical press, and load display device for mechanical press When obtaining load displaying calibration data, first, a reference die height position (a) where a load (F) of a mechanical press (1) comes to minimum load value (Fa) is sought as well as a reference die height position (f) where the load (F) comes to ma...	03/18/2003
6308555	Rotational shock tester apparatus Embodiments of apparatus are directed to a rotational shock tester system comprising a disc drive support system, a drop mechanism and an impact apparatus. The disc drive support system includes a rotation plate, wherein a disc drive is coupled to the rot...	10/30/2001
6256601	Rollover test sled An apparatus (20) to simulate the behavior of vehicle occupant and safety systems in a rollover accident, comprising: a frame (30) adapted to receive a portion of a vehicle to be tested or test buck (40), the frame being articulated, about a pivot (36), t...	07/03/2001
6182495	Test machine for simulation of shock wave induced motion Equipment to be carried on marine vessels during sea travel, is mounted on the table of a test machine through which shock wave induced motion to be experienced by such equipment during the sea travel is simulated and applied to the equipment carrying tab...	02/06/2001
5929348	Micro sled impact test device An apparatus for dynamic testing by rapidly accelerating a test specimen includes a sled carriage slidably mounted on first and second elevated horizontal tracks attached to a fixed foundation for free movement of the sled carriage along the tracks from a...	07/27/1999
5824880	Automated drop-weight impact testing A test fixture of the type that requires repeated manual lifting of weights in a drop-tube for performing an ASTM drop weight test, is provided with a computer automated pneumatically powered lift mechanism. The lift mechanism for the weights responds to ...	10/20/1998
5783739	Sled docking system A sled docking system for moving a sled carriage on or off a sled rail. The sled docking system includes a docking assembly which can carry a sled carriage. The docking assembly has a moving member which allows the docking assembly to be moved to any desi...	07/21/1998
5686652	Portable test hammer apparatus A portable test hammer apparatus that produces repeatable and adjustable impacts to make traditional "tap testing" more reliable and quantified. The apparatus includes an impactor head device having a housing sized to be held in a human hand and engageabl...	11/11/1997
5652375	Apparatus, method and reusable model-structure for impact testing vehicle components The front body assembly of a vehicle is simulated by a reusable model-structure (6) featuring a pair of side members (8, 9) collapsible accordion fashion and each comprising a number of arms (16, 18) hinged in series with one another by respective articul...	07/29/1997
5623094	Sled testing system A sled testing system comprising a first carriage and a second carriage, the first carriage and second carriage being movably mounted together, and an acceleration absorption assembly located relative to the first carriage and the second carriage such tha...	04/22/1997
5505081	Valve assembly for free piston shock tube/tunnel A free piston shot tube tunnel having a high speed valve for releasing the piston to start the piston shot. A further feature of the present invention is a free piston shock tube/tunnel having a high speed valve for releasing pressure from the compression...	04/09/1996
5497650	Pneumatic golf club testing apparatus A pneumatic golf testing apparatus composes of an air cylinder, an accumulator, a barrel, a ball bucket, a ball cage, a golf head clamps and a frame. Air cylinder pumps compressed air into the accumulator and controls the opening and closing of a valve to...	03/12/1996
5311856	Gas gun and quick release mechanism for large loads A large diameter gas gun has a triggering mechanism for quickly and effecely releasing a large bore projectile which is accelerated under gas pressure to impact upon a target area to produce a substantial shock field....	05/17/1994
5245868	Piston stop for free piston shock tube/tunnel A free piston shock tube/tunnel having a mechanism for stopping the piston or controlling the movement of the piston near the diaphragm end of the compression tube. The mechanism includes a generally annular protrusion positioned at the diaphragm end of t...	09/21/1993
5156040	Method and apparatus for verifying the effects of a motor vehicle accident Apparatus and method for verifying effects of a motor vehicle accident involving at least one vehicle adapted to be advanced towards a pre-defined point of collision at a predetermined speed. The apparatus and method provides for the employ of a drive mec...	10/20/1992
4696182	Impact test apparatus An impact test apparatus includes a barrel adapted to contain pressurized gas and having a sealed end and an opposed open end. A shuttle including a bore for carrying a test sample is positioned for translation within the barrel. A seal is provided on the...	09/29/1987
4426683	Pneumatic shock testing machine with digital control A control system for a pneumatically powered shock testing machine is presented which utilizes digital logic and an operator programmed computer. The control system was implemented on a shock machine having a carriage assembly that is lifted by an air pis...	01/17/1984
4311035	Test device for acceleration sensors A test device for acceleration sensors comprises a low-friction carriage in articular supported by an air cushion. A drive is coupled to the carriage for producing a predetermined acceleration course of the carriage and a test object secured thereto. A dir...	01/19/1982
4022053	Projectile guide track A projectile guide track having a plurality of track assemblies in aligned relationship with one another. Each track assembly contains fixedly spaced rails for supporting a projectile during flight while undergoing testing in a ballistic range. Precision ...	05/10/1977
4020672	Mechanical force pulse generator for use in structural analysis A mandrel member has a series of projections formed therein in a predetermined pattern to represent a force-time history to be used in testing a member. A cutter member is provided for shearing off these projections. A driving force is provided so as to c...	05/03/1977
4010631	Method and apparatus for pulse shaping in ballistic simulators A ballistic simulation system including means to shape the deceleration pe by varying the rate of energy transfer in the system, including a shaped crush-surface on the mitigator and a momentum-exchange member having an elastic portion....	03/08/1977

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Class 73/12.07 - By hydraulic or pneumatic forces