What are the Prony Brake Dynamometers

Patents for G01L 3 - Measuring torque, work, mechanical power, or mechanical efficiency, in general (11,158)02/196602/15/1966US3234786 Hydraulic torque measuring device 01/196601/18/1966US3229514 Torque measuring device 12/196512/28/1965US3225592 Engine torque measuring apparatus 12/21/1965US3224262 torque meter 12/21/1965US3224257 Rotating body strain meter 12/07/1965US3221547 Apparatus for absorbing and measuring power 10/196510/26/1965US3213679 Torque table 10/12/1965US3210992 Ultrasensitive force and speed measuring device 10/07/1965DE1202530B Performance indicator for piston engines Counter for piston engines 09/196509/28/1965US3208274 Apparatus for measuring angular displacement of a rotatable member by electronic means 09/23/1965DE1201581B Eddy current dynamometer Eddy current dynamometer 09/14/1965US3205698 Torque measuring means 09/07/1965US3204453 Power measuring device for rotating shafts 08/196508/24/1965US3201982 In-vehicle dynamometer 08/19/1965DE1199020B Measurement or monitoring system Measurement or monitoring system 08/12/1965DE1198638B Rotating gear wheels with hydraulic brake and torque measuring device 07/196507/27/1965US3196675 Optical torquemeter 07/27/1965US3196674 Dynamometers 07/20/1965US3195349 Method and apparatus for determining the available power output of an engine 07/13/1965US3194065 Digital vernier torquemeter 07/01/1965DE1195958B Transducer for converting the respective angular position of an input shaft into a proportional electrical voltage 06/196506/29/1965US3191434 Device for measuring torque on shafts 06/22/1965US3190113 Electro-mechanical torque sensing device and method 06/01/1965US3186219 torque meter 04/196504/27/1965US3180138 Tractor tester 04/01/1965DE1190219B Hydraulic brake dynamometer Hydraulic brake dynamometer 03/196503/30/1965US3175394 Power output indicating system 03/30/1965US3175393 Force measuring apparatus with cumulative ranges of measurment 03/16/1965US3173292 Torque-measuring arrangement 02/196502/23/1965US3170323 Device for producing a torque or torsion responsive signal 01/196501/26/1965US3166935 Continuous reading torque meter 01/12/1965US3164986 torquemeter 12/196412/29/1964US3163037 Dynamic torque meter 12/22/1964US3162041 Torque indicator 12/10/1964DE1183276B Arrangement for torque measurement on rotating shafts Arrangement for torque measurement on rotating shafts 11/196411/03/1964US3154941 torsion meter 10/196410/29/1964DE1180546B Device for measuring the torque transmitted by a rotating shaft during operation Means for measuring the revolving shaft of a torque transmitted in use 10/27/1964US3153930 Torque-measuring device 09/196409/08/1964US3148294 Fluid-cooled rotary electrical apparatus 08/196408/25/1964US3145563 Piezoresistive transducer employing p-type lead telluride (pbte) as the piezoresistive material 08/04/1964US3142981 Digital force transducer 06/196406/30/1964US3138954 Hydraulic dynamometers or brakes 06/23/1964US3138018 dynamometer 06/16/1964US3137163 Method of and means for measuring torque of an electric motor drive 06/02/1964US3135111 Eddy current dynamometer 06/02/1964US3135110 Engine horsepower meter 05/196405/26/1964US3134279 Rolling mills 04/196404/30/1964DE1169148B Measuring device with a baffle plate impingement nozzle arrangement Measuring device with a baffle plate impingement nozzle arrangement 04/28/1964US3130581 Torque and speed measuring instrument 04/14/1964US3128622 torque meter 04/02/1964DE1167061B Means for measuring the over-driven transferred to medium torque organs of two aligned arranged magnetized pulse washers 03/196403/19/1964DE1165901B Device for electronic measurement of mechanical services Electronic device for measuring mechanical services 03/12/1964DE1889219U torque display and / or control unit. Torque display and / or CONTROL. 02/196402/25/1964US3122639 Radioactive torque sensing device 02/06/1964DE1162597B Arrangement for measuring the torque on shafts 01/196401/28/1964US3119256 Prony brake apparatus 01/09/1964DE1161053B Method for the production of torque measurement shafts or the like. A method for the production of torque measurement shaft or the like, 01/07/1964US3116634 torque meter 12/196312/24/1963US3115034 High speed dynamometer 11/196311/19/1963US3111028 torque meter 10/196310/29/1963US3108472 Torque gauge 10/29/1963US3108471 Torque indicator 08/196308/20/1963US3101012 Transmission 07/196307/02/1963US3095734 Apparatus for furnishing electrical signals for torque measurement 06/196306/12/1963DE1150225B A device for measuring the torsional wave in a magnetostrictive material from 06/11/1963US3092994 Device for the electric measurement of rotary moments 05/196305/28/1963US3091309 fluid dynamometer 05/16/1963DE1148777B Device for measuring the torque transmitted by a shaft 04/196304/16/1963US3085427 dynamometer 04/09/1963US3084540 torquemeter 03/196303/19/1963US3081624 Apparatus for furnishing electrical signals for torque measurement 03/05/1963US3079791 Pick up for torque-measuring apparatus 03/05/1963US3079788 Torque responsive measuring apparatus 12/196212/25/1962US3069902 Torque sensitive device 12/18/1962US3068689 Dynamometer and power absorption device 11/196211/15/1962DE1862238U torque meter. Torque meter. 10/196210/30/1962US3060757 Reversing linkage for prony brake apparatus 10/09/1962US3057194 Torque gauge 10/09/1962US3057193 Hydrostatic torque-measuring apparatus 10/04/1962DE1137576B Fluid vortex brake Fluid vortex brake 09/196209/25/1962US3056099 Magnetostrictive torsional pick-up 08/196208/30/1962DE975774C Means for measuring an output torque, in particular combustion engines 08/28/1962US3050993 Hydraulic dynamometer and process of using same 08/14/1962US3049003 Torque measurement apparatus 07/196207/31/1962US3046781 Magnetostrictive torque meter 07/24/1962US3045479 torque meter 06/196206/28/1962DE1132358B Method for measuring a twist difference A method for measuring a differential twist 06/19/1962US3039301 Dynamic torque response device 06/07/1962DE1131033B Magnetostrictive torsion transducer Magnetostrictive torque transducers 05/196205/08/1962US3033321 Hydraulic dynamometers 04/196204/17/1962US3029634 dynamometer 03/196203/27/1962US3027463 Prime mover regulator 03/22/1962DE1126161B Torque meter Torque meter 03/20/1962US3026491 Indirectly excited electromagnetic feeler 02/196202/13/1962US3020753 dynamometer 02/06/1962US3020461 Torsional magnetostriction feeler apparatus employing feedback 02/06/1962US3019640 Method of and means for measuring torque of an electric motor drive 01/196201/11/1962DE1121841B Hydrokinetic braking system for dynamometers Hydrokinetic braking system for dynamometers 12/196112/28/1961DE1120756B Device for measuring the torque and registering of shafts 12/28/1961DE1120755B Power measurement system for rotating shafts Performance measurement system for rotating shafts