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WO/1993/004354 |
A road simulator (10) for testing components of automobiles using a wheel assembly (13, 14), including a tire (14) that is to be loaded by simulation of actual road forces. A low mass flexible web harness (70) is placed over the tire (14...
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WO/1992/019946 |
A method of evaluating the operational characteristics of a brake booster by simulating a brake application of partially assembled brake booster components. An input force to control valve located in a hub of a shell to create an output ...
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WO/1992/016897 |
A dynamical system analyser (10) incorporates a computer (22) to perform a singular value decomposition of a time series of signals from a nonlinear (possibly chaotic) dynamical system (14). Relatively low-noise singular vectors from the...
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WO/1992/011457 |
A method and apparatus for analyzing the operating condition of a machine, such as a reciprocating compressor (10), is provided. The method comprises testing for fluid flow across the closed suction and discharge valves (30 - 33), as wel...
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WO/1992/008962 |
The present invention relates to a method and a device for aligning shaft sections at a shaft (7) consisting of several parts with the shaft sections joined by means of couplings (A-D) and the shaft journalled in bearings (1-6) on each s...
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WO/1992/005438 |
The presence, size and location of a crack in a shaft (42) is determined by comparing actual measured natural frequencies of the shaft system with the results of a multistation analytical model (62). A suspected axial location of a crack...
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WO/1992/005437 |
The presence, size and location of a crack in a shaft (42) is determined by comparing actual measured natural frequencies of the operating shaft system with the results of an analytical model (62). From a multi-station analytical model (...
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WO/1992/003642 |
In a process for monitoring of the catalytic activity of a catalyst in the exhaust gas system of an internal combustion engine (3), a measured value of is temperature derived from signals generated by at least two temperatures probes (4,...
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WO/1992/003643 |
In a process for monitoring the function of a catalytic converter (1) through which a catalysable fluid, in particular an exhaust gas of an internal combustion engine (3), flows along a direction of flow from an inlet side (12) to an out...
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WO/1991/017419 |
A mechanical tire emulator for spindle coupled road simulators. It simulates the real case tire impedance characteristics, including wheel hop, between the servo actuator produced vertical road input motion and the vehicle spindle (11). ...
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WO/1991/015334 |
A gear pitch error correction system of a numerical controller for a machine tool including at least one pair of gears disposed in an intermediate position on a transmission path for transmitting the torque of a servo motor to a material...
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WO/1991/012927 |
A method of providing a pretested electric shift control apparatus for a motor vehicle comprising the steps of manufacturing a plurality of push-button units (36a); manufacturing a plurality of power units (34); manufacturing a plurality...
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WO/1991/013334 |
A new bench tester (20) for laboratory simulation of piston ring and cylinder wear according to the invention includes tests made using liner segments (49) which bear against a reciprocating piston ring (84). Temperatures up to 550 �C ...
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WO/1991/008984 |
The invention concerns basic calcium aluminium hydroxyphosphites of the general formula: Ca¿x?Al¿2?(OH)¿2(x+2)?HPO¿3?.mH¿2?O in which x = 2 to 8 and m = 0 to 12 as well as a process for their production. The compounds described are ...
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WO/1990/012303 |
The wheel bearing test system (10) comprises a wheel (20) and bearings (40) mounted on a multi-planar movable axle mechanism in order to effect realistic testing of the bearings (40). The axle mechanism (30) comprises a mandrel assembly ...
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WO/1990/010863 |
The presence of a crack in a shaft (42) is determined by comparing natural frequencies of the shaft (42) with an analytical model (62). From a multistation analytical model (62) of an uncracked shaft (42), natural frequencies and associa...
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WO/1989/007748 |
This invention relates to an apparatus for inspecting the quality of a ridge of an elastic body, such as a toner scraping blade of a copier and a wiper of a vehicle, in which the quality of the ridge of an edge part has a direct influenc...
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WO/1989/006351 |
A method and apparatus for remotely monitoring the condition of a DC motor operated valve and/or valve operator (16) by monitoring at a remote location (90) the output torque of the DC motor (18) which drives the valve operator comprises...
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WO/1989/003104 |
A method and apparatus for detecting clogging of the fluid flow path (12) of either continuous or intermittent dispensing systems wherein a movable, flow-restricting element (41) is located in the fluid flow path (12) for movement betwee...
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WO/1988/008968 |
An apparatus for monitoring, measuring and recording rotational forces and torque within a valve actuator (12) comprises a load cell (32) supported between two arm members (18, 35), one arm member (18) being mounted stationary to the hou...
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WO/1988/008124 |
La machine décrite permet de simuler individuellement ou dans les combinaisons voulues les composantes (telles que forces centrifuges, vibrations en torsion, nutation, moment transmis de torsion et échauffement) des sollicitations d'un...
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WO/1988/006721 |
Test apparatus (5) is provided for measuring the set pressure of a valve coupled to a port in a pressure line. The valve includes a closure element movable between a first limit position sealing the port and a second limit position openi...
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WO/1988/006283 |
Process and device for testing stabilizers (10) which are set on fixed mounts (16, 17) on an engine bed (32) and which, when a driving mechanism (27) is in operation, are deformed by the movement of one arm (12) of the stabilizer towards...
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WO/1988/004416 |
The device is intended in particular for inspecting circular-cross-section sealing rings known as O-rings. Two radiation sources (10, 11) are provided emitting radiation (12, 15) of a given frequency. The common light beam (16) is direct...
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WO/1988/004417 |
In a process for testing driving axles for motor vehicles, the driving axle is mounted on a test bench, driven from the driving side and braked from the driven side. A device for testing driving axles for motor vehicles has a driving uni...
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WO/1988/004044 |
A brake torque loading linkage (51, 53, 91, 121, 127) for vehicle spindle test fixtures (10) permits applying a brake torque load while other loads are being applied, particularly vertical loading, where substantial movement is encounter...
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WO/1988/003241 |
A method and apparatus for testing the operating condition of a check valve directs sound waves into the valve chamber (45) of a check valve assembly (40) and utilizes the collected signals of the reflected sound waves to generate variou...
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WO/1987/007950 |
A means (8, 10, 11, 17, 18) of measuring the operating characteristics of a valve and its operator (16) and the corresponding imposed valve stem load is attached to the valve operator. The device provides a means (8, 17) of statically ca...
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WO/1987/004244 |
A unique device and method are used to detect and measure movement of a valve spring pack (7) and worm (3) through monitoring rotation of the torque switch control post (54). A device for measuring the operating characteristics of a valv...
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WO/1987/003053 |
A method and a device for monitoring the lubricating film in a rolling bearing having rolling elements (1) and races on two members (2, 3) which are movable in relation to each other by means of the rolling elements, make use of an elect...
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WO/1986/004138 |
A monitoring device for a rolling bearing with rolling elements (5) positioned between two rolling races (6, 7) comprises a ring (10) with a surface facing the parts of said rolling elements (5) which are exposed between said rolling rac...
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WO/1986/003543 |
In order to ascertain the load distribution of advance working machines in region of the boring head, the loads supported by the individual boring wheels and at the same time the overrun of the boring wheel are determined by measuring th...
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WO/1986/003281 |
A method of primarily testing and performance controlling heat pumps, refrigerating installations or corresponding systems, at which system thermal energy from at least one heat source (K) is supplied to an energy-carrying medium (1), a ...
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WO/1985/003126 |
A failure detection mechanism for a geared rotary actuator having plural output stages (26, 28, 30). Each output stage has a planetary gearing set (48, 49, 50) and the failure detection mechanism senses relative movement between planet g...
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WO/1985/001106 |
A test system (10) uses the four square principle for loading front wheel drive hubs (161) of automobiles under torque, and provides the necessary loads on the front wheel drive unit for adequate testing. The unit under test may be subje...
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WO/1984/001030 |
The dynamic properties of a machine (18) are defined by its kinetic energy, potential energy and dissipation functions. The machine is also identifiable by means of the nonviscous friction therein. These properties form the basis for the...
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WO/1983/004436 |
In a method and an apparatus for determining the condition, primarily changes in geometry, of a rolling bearing having a roller cage with rolling elements which are adapted to roll on the races of two thus relatively movable parts, the d...
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WO/1982/004480 |
A test stand (10) having a principal use for testing a fuel pump and associated governor (24), has a drive shaft (16), an inertial weight (30) operatively associated therewith, and apparatus (56) for selectively engaging and disengaging ...
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WO/1982/001416 |
A method and apparatus for detecting and identifying one or more excessively vibrating blades (14) of the rotating portion of a turbomachine (10) utilizing analysis of the characteristic Doppler waveform that results as the rotating, vib...
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WO/1982/000886 |
Apparatus for determining the deterioration of components subject to variable operating conditions particularly helicopter gears subject to variable torque. A monitor (10) provides an analogue signal of the level of operating parameter w...
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WO/1981/003540 |
A newly formed gear (11) is checked for composite error by holding the gear in a rotationally stationary position and by orbiting and rolling a master gear (14) around the newly formed gear. An electrical signal is produced in monitoring...
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JP2012013469 |
To provide a method of restoration from a trouble occurring in production equipment that enables linearly acting bearings having the optimal rigidity to be selected when such a trouble occurs.A method of restoration from a trouble occurr...
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JP2012007902 |
To provide a power circulation type testing apparatus that can change a torque during the operation and stably apply a torque while preventing a torque missing.A rotary actuator 40 is provided inside an axis of a first low-speed rotation...
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JP2012008063 |
To simply determine deterioration of grease for pulleys with clutches.A deterioration detecting method of grease for pulleys with clutches detects the deterioration of a pulley 14 with a clutch, which includes a rotary shaft 30, a pulley...
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JP2012008030 |
To provide a rotator bearing diagnostic device that can make an accurate diagnosis by avoiding the effect of the disturbance vibration waveform when diagnosing a bearing of a rotor.A rotator bearing diagnostic device comprises: a machine...
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JP2011259624 |
To identify and reduce frequency components of high frequency electromagnetic vibration based on electrical signals output from a vibration sensor, and to diagnose a rolling bearing of a rotary machine using the data.Among peak values of...
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JP2011257173 |
To test a power train independently while taking an influence of a tire into consideration.A power train 100 to be tested is mounted on a stage 12 provided movably to and away from a base 1 while coupled to a tire 101. An actuator 21 in ...
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JP2011252753 |
To provide a diagnostic device for bearings that can, when any abnormality in a bearing part of rotational equipment is to be detected and even an insignificant abnormality may give rise to an unexpected change in the rotational speed of...
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JP2011252807 |
To provide a method which is applicable to members with various different shapes, hardening conditions, or the like, and can detect a heat treatment abnormality of a steel member to which high frequency hardening is performed without des...
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JP2011247660 |
To provide a life monitoring method capable of performing highly accurate notification.In the life monitoring method for calculating rated life L of a bearing as a threshold based on a rotational frequency of a rotor 10 and load applied ...
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