Patents
Sitemap › G01 - Measuring; Testing › G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure › G01L 23 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
Patents for G01L 23 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid (3,845)
12/1983
12/27/1983US4422321 Combustion process sensor construction
12/20/1983US4420980 Arrangement for measuring the pressure in cylindrical cavities
12/20/1983US4420968 Undesirable combustion characteristic detection apparatus
12/20/1983US4420967 Knock detector
12/06/1983US4419212 Combination gas oxygen concentration and combustion light sensor
12/06/1983US4418567 Knock sensing apparatus with fail indicator for use in an internal combustion engine
11/1983
11/15/1983US4414840 Knock detecting apparatus for internal combustion engines
11/08/1983US4413509 Combustion process parameter sensor
11/01/1983US4412520 Fuel injection control apparatus
11/01/1983US4412446 Optical combustion sensor, particularly for use with internal combustion engines
11/01/1983CA1156345A1 Vibration sensor for an automotive vehicle
10/1983
10/18/1983US4410825 Piezoelectric pressure transducer with threaded damper bar
10/18/1983US4409937 Spark timing control device for an internal combustion engine
10/18/1983US4409816 Knock detecting apparatus for an internal combustion engine
10/18/1983US4409815 Combustion process sensor arrangement
10/12/1983EP0090872A1 High pressure detector
10/12/1983EP0090871A1 High-pressure detector
10/11/1983US4408496 Pressure-sensing transducer
10/11/1983US4408479 Knocking detecting device for internal combustion engines
10/06/1983EP0041501A4 Piezoelectric transducer for fuel injection engine.
10/04/1983US4408289 Simplified monitoring apparatus for sensors in motor vehicles
09/1983
09/20/1983US4404841 Optical combustion sensor system
09/13/1983US4403504 Engine testing microwave transmission device
08/1983
08/31/1983EP0086973A2 Tuned vibration detector
08/23/1983US4399705 Acceleration detector
08/16/1983CA1152180A1 Pressure transducer
08/09/1983US4397176 Internal combustion engine knocking sensor arrangement
07/1983
07/19/1983US4393688 Piezoelectric knock sensor
07/19/1983US4393687 Sensor arrangement
07/12/1983CA1149636A1 Apparatus and method for measuring boiling or flash pressure of pressurized fluid
07/05/1983US4392082 Pressure-sensitive ignition plug
07/05/1983US4391126 Method and apparatus for detecting engine knock in an internal combustion engine
06/1983
06/22/1983EP0081769A1 Automotive engine cylinder block
06/21/1983US4388902 Ignition timing device avoiding pinging during the functioning of an internal combustion engine
06/21/1983US4388825 Integral manifold absolute pressure and ambient absolute pressure sensor and associated electronics
06/14/1983US4387588 Knocking detector of an internal combustion engine
05/1983
05/24/1983US4384473 Engine knock control with detector and filter
05/18/1983EP0079042A1 Internal combustion engine with engine knock sensor
05/17/1983US4383434 Magnetostrictive engine-knock sensor
05/10/1983US4382377 Pressure sensor for an internal combustion engine
05/03/1983CA1145841A1 Air gun firing sensor apparatus and system
04/1983
04/13/1983EP0076265A1 Method and device for detecting irregular combustion phenomena in an engine.
04/12/1983US4379405 Force transducer, particularly for ballistic pressure measuring
04/12/1983US4379404 Piezoelectric engine-knock sensor
04/12/1983US4379403 Knock detecting apparatus for internal combustion engines
03/1983
03/22/1983US4377145 Intake vacuum sensing system with correction device for an internal combustion engine
03/02/1983EP0073028A2 Automotive engine with knock sensor
03/01/1983CA1141993A1 Octane measuring
02/1983
02/22/1983US4374472 Vibration sensor
02/15/1983US4373396 Mechanical filter with acoustic sensing
02/15/1983US4373378 Vibration sensor for an automotive vehicle
02/08/1983US4372119 Method of avoiding abnormal combination in an internal combination engine and an arrangement for carrying out the method
02/01/1983US4371804 Piezoelectric knock sensor
01/1983
01/25/1983US4369748 Optical engine knock sensing system
01/25/1983US4369634 Fuel-flow monitor and automatic air-compressor cut-off
01/25/1983CA1139966A1 Relative power contribution of an internal combustion engine
01/18/1983US4368635 Knocking detector
01/04/1983US4366702 Knock detecting apparatus for internal combustion engines
01/04/1983US4366701 Octane measuring
12/1982
12/21/1982US4364266 Engine analyzer apparatus
12/21/1982US4364260 Engine with knock sensing apparatus having multiple frequency tuning
12/21/1982US4364259 Vibration sensor for an automotive vehicle engine
11/1982
11/24/1982EP0065511A1 Transducer with a piezo-electric sensitive element
11/23/1982US4359893 Voltage source for ion current measurement in an internal combustion engine
11/23/1982CA1135978A1 Instrumentation probe
11/23/1982CA1135972A1 Cylinder monitoring system
11/16/1982US4358952 Optical engine knock sensor
11/09/1982US4357918 Engine controlling device
11/09/1982US4357825 Knock detecting apparatus for internal combustion engines
10/1982
10/28/1982WO1982003685A1 Method and device for detecting irregular combustion phenomena in an engine
10/26/1982US4356551 Knock detecting method
10/26/1982US4355534 Device for detecting defective combustion in an internal combustion engine
09/1982
09/28/1982US4351282 Ignition timing control system for internal combustion engine
09/14/1982US4348905 Vibration sensor for an automotive vehicle
09/07/1982US4348117 Apparatus and method for measuring boiling or flash pressure of pressurized fluid
08/1982
08/31/1982US4346586 Engine knock signal processing circuit
08/25/1982EP0058390A1 Method and device for recognising a knocking combustion
08/24/1982US4345558 Knock detecting apparatus for an internal combustion engine
08/17/1982US4344400 Control device for an internal combustion engine
08/17/1982US4344318 Undesirable combustion characteristic detector for spark-ignited internal combustion engines
08/10/1982US4343278 Control device for an internal combustion engine
08/10/1982US4343187 Sensor with inner protective chamber
08/04/1982EP0056841A1 Ignition and knocking measurement device
08/03/1982US4342230 Pressure sensor and sensing method
07/1982
07/28/1982EP0056383A1 Sensor.
07/28/1982EP0056377A1 Engine knock signal processing circuit
07/27/1982US4341189 Knock detecting apparatus for combustion engines
07/06/1982US4337643 Knock detecting apparatus for internal combustion engine
07/06/1982US4337642 Device for judging knocking strength
07/06/1982US4337641 Device for detecting engine knock
07/06/1982US4337640 Knocking sensor
06/1982
06/29/1982US4336707 Knock detecting apparatus for internal combustion engines
06/15/1982US4334422 Knock detecting apparatus
06/08/1982US4333334 Knocking discrimination apparatus
05/1982
05/18/1982US4329871 Undesirable combustion characteristic detection apparatus
04/1982
04/20/1982US4325260 Pressure transducer
04/20/1982CA1122030A1 Power cylinder blancer unit
04/14/1982EP0049501A2 Arrangement for measuring the pressure evolution inside cylindrical hollow objects
03/1982
03/17/1982EP0047394A1 Engine knock control apparatus
03/17/1982EP0047254A1 Throttle control device
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