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4062241 |
Apparatus for indicating the characteristic data of a centrifuge
An apparatus is disclosed for providing a digital indication of characteristic data measurements of a centrifuge centrifugal head for examining the contents of test vessels, characterized by an...
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4062222 |
Golf club swinging apparatus
A golf-club and golf-ball testing apparatus, having a crank arm driven by a main drive shaft, drives a club swinging arm through a secondary drive shaft supported by bearings on the end of the...
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4044598 |
Performance evaluation facility for seal skirt-fingers of surface effect ships
A testing system and method for testing and evaluating the performance and ervice life of finger seals and skirts used on surface effects ships (SES). The system simulates actual conditions that...
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4036065 |
Grain loss monitor
A percentage of the grain lost is sampled constantly by sensors at locations across the rear of the sieve of a combine and the sound of the grain kernels striking the sensors is picked up by a...
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4020673 |
Fuel rod pressurization
A method and system for fuel rod pressurization and for verifying when pressurization of a fuel rod containing nuclear fuel has taken place. One end of the loaded fuel rod is inserted into a...
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4019390 |
System and method for complete on line testing of a mechanical overspeed trip channel associated with an electrohydraulic emergency trip system for a turbine power plant
A system and method for complete on line testing of the emergency trip system of a turbine power plant is disclosed. The mechanical trip valve and a portion of a line to drain, of the emergency...
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4016757 |
Apparatus for testing flexibility of ammunition link belts
Apparatus for testing the flexibility of ammunition link belts by folding the belt longitudinally back on itself in both directions, and also by twisting it about its length. The belt forms a loop...
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4016754 |
Testing device for wheeled automotive vehicles
An improved testing device for operating a wheeled automotive vehicle under power while it is standing still. This type of operation is desired in such endeavors as service diagnosis, measurement...
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4008606 |
Ship's bottom inspection apparatus
A ship's bottom inspection apparatus which includes a generally U-shaped mework which is adapted to be submerged for receiving the width of a ship therebetween. A series of cameras are mounted in a...
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4002973 |
Elevator testing system
A testing system is removably connected to a control of an elevator system and selectively operated to perform a plurality of testing sequences. The testing system is removably connected with a...
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4000656 |
Apparatus for designing and testing proper values of parameters relating to supporting hydrodynamically lubricated bearing journals
Apparatus for designing and determining parameters for supporting hydrodynamically lubricated bearing journals, wherein a device for applying a load to a shaft is associated with a shaft mounted on...
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3991618 |
Sensor for automatic steering system for row-crop harvester
A row-crop harvester adapted to travel along the ground in a transport direction is provided with four crop sensors. One crop sensor is provided to one side and in front of the harvester and...
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3977255 |
Evaluating pressure profile of material flowing to mold cavity
A method is provided which is particularly suited for employment in conjunction with the operation of an injection molding machine for purposes of determining during the cycle of operation of the...
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3974699 |
Angular position sensing and control system, apparatus and method
A structural body is monitored in angular position about at least one axis by utilizing a level sensor and a sensor responsive to angular motion of the body about the axis being monitored. An...
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3964316 |
Wave motion simulator
An apparatus to generate a wave-like pattern of forces on a surface effect ship utilizes a flexible membrane which undulates in a water wave-like manner, the crests of the waves transferring forces...
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3945255 |
Method of and apparatus for monitoring a process involving a plurality of parameters
A process, such as for instance the operation of a machine, is automatically supervised by monitoring at least two of the operational parameters which are desired to have a prescribed relationship...
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3923119 |
Sound pressure box
A sound pressure box for testing hearing aids and other devices is provided with a support member having a reference area onto which the hearing aid or device to be tested is disposed. A support...
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3911725 |
Method of operating life testing hydraulic units with linear-motion output member
The invention relates to methods of operating life testing hydraulic units with linear-motion output member. The method consists in the following: Delivery pressure and temperature maximum...
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3905233 |
Package penetration indicating apparatus
An apparatus for indicating when an evacuated flexible package is penetra by insects or other agents is comprised of a switch that is closed by atmospheric pressure on an evacuated flexible package...
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3826129 |
AUTOMOTIVE VEHICULAR DYNAMOMETER
An improved testing machine for operating an automotive vehicle under power while it is standing still. This type of operation is desired in such endeavors as service diagnosis and measurement of...
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3824823 |
FUEL FILTER TESTING APPARATUS
The invention disclosed herein provides an improved apparatus and system testing the efficiency of fluid filters by providing an automatic, continuously operating, test apparatus to accurately...
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3813920 |
MATCHED ACOUSTIC GENERATOR
An apparatus is provided for frequency sweep testing of the insertion power ain of flueric proportional amplifiers and passive components. This generator enables a rapid measurement of insertion...
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3771321 |
MODULAR AIR CONDITIONING EQUIPMENT
In air conditioning equipment having a compressor motor, a fan motor, and electrical circuitry for controlling the operation of the compressor and fan motors, a removable module fits into a...
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3768622 |
AIR DRIVE KEYBOARD TESTER
The invention is a method and apparatus for driving or exercising keys or buttons on a keyboard utilizing a jet of fluid as the driving medium. An improved valve structure utilizing a flexible,...
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3736789 |
TEST AND CALIBRATING DEVICE FOR INTRA-OCULAR PRESSURE INSTRUMENTS
An eyeball simulating sphere enclosed within a block and exposed through an oval opening in at least one face of the block, is internally pressurized by a squeeze bulb to any desired pressure in...
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3727455 |
IMPULSE TRANSMITTER FOR DYNAMIC DEVICES FOR TESTING PIECES OF ORDNANCE
An impulse transmitter for dynamic devices for testing pieces of ordnance to simulate the recoil of the piece without actual firing. The impulse transmitter includes a housing having a cylinder...
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3719346 |
AUTOMOTIVE SUSPENSION BALL JOINT CHECKING MECHANISM AND METHOD
A hanger suspended by a hook from the upper control arm of an automotive wheel support carries a disengageable lever, the short end of which engages beneath the lower control arm. Downward swinging...
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3686954 |
AUTOMOBILE AIR CONDITIONER TEST AND SERVICE EQUIPMENT
Electronically automated equipment utilized for diagnostic evaluation and repair of automobile air conditioning systems. Test connections provide sensors to measure the various pressures and...
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3677062 |
PARACHUTE ACTUATOR TESTING APPARATUS
A testing apparatus for an altitude-sensitive parachute actuator, comprising an altitude chamber adapted to support the parachute actuator therein, a vacuum pump connected to the chamber, an on-off...
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3659462 |
ARRESTING DEVICE FOR HEAVY OBJECTS THROWN WITH GREAT FORCE
An energy absorbing arresting device for thrown objects of substantial weight, said device employing an assembly of spaced formed pads of deformable cushion material into which the object is...
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3626261 |
PORTABLE MULTIRATE ELECTRIC IMPULSE GENERATOR EMPLOYING A PLURAL MOTOR DIFFERENTIAL GEAR DRIVE
A portable electric impulse generator is provided having an impulse triggering reed switch that is actuated by a rotatable magnet which, in turn, is driven at various preselected rates of speed by...
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3597981 |
KEYBOARD-TESTING DEVICE FOR CALCULATING MACHINE OR THE LIKE
A keyboard-testing device for a calculating machine having keys on its keyboard or the like. A plurality of air cylinders are mounted on a panel board just above the keyboard of the calculating...
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3592041 |
CHAIR-TESTING APPARATUS
A chair-testing apparatus for testing the operability and/or durability of the elements and construction of a reclining chair, including means for applying forces to movable seat, back and leg rest...
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3583237 |
PAPER DOCUMENT VALIDATION APPARATUS
An apparatus for detecting authenticity of paper currency or documents being printed with intaglio type printing so that the printing raises bumps or contours on the surface of the document....
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3580059 |
SPHERICAL BEARING TESTER
A spherical bearing tester providing oscillatory rotating motion of the inner bearing race with respect to the outer bearing race about the thru-shaft longitudinal axis, also providing an...
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3552215 |
TESTER FOR TIMER CONTROLLED DEVICE
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3540454 |
SYSTEM FOR DETERMINING COMBINE EFFICIENCY
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3537323 |
HOVER-ALTITUDE PERFORMANCE INDICATOR FOR A HELICOPTER
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3505876 |
FILTER EVALUATION EQUIPMENT
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3483755 |
SEED PLATE TEST DEVICE
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3479882 |
METHOD FOR INSPECTING LINERS AND SHELLS OF HEATING DEVICES AND APPARATUS FOR PERFORMING THE METHOD
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3478580 |
METHOD AND APPARATUS FOR TESTING A GAS TURBINE FUEL MANIFOLD AND NOZZLE ASSEMBLY
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3475966 |
APPARATUS FOR DETERMINING FEEDING RATE OF GRAIN DRILLS OR THE LIKE
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3472080 |
PROPELLENT MASS DISTRIBUTION METERING APPARATUS
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3460841 |
STYLUS AND EQUIPMENT TESTING RECORD FOR RECORD PLAYERS
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3459049 |
SPRAY PATTERN MEASUREMENT
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3418855 |
APPARATUS FOR TESTING SHARPNESS OF NEEDLES
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3411364 |
Contact lens instrument
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3339404 |
Lunar penetrometer
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3334517 |
Mattress testing apparatus
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