Patent application number | Description | Published |
20130067911 | SHAFT IMBALANCE DETECTION SYSTEM - A shaft imbalance detector system ( | 03-21-2013 |
20130067914 | METHODS AND SYSTEMS FOR DIAGNOSING A TURBOCHARGER - Various methods and systems are provided for a turbocharger. In one example, a method includes determining a first pressure at a first location within a turbocharger and determining a second pressure at a second location within the turbocharger. The method further includes indicating degradation of the turbocharger based on the first pressure and the second pressure. | 03-21-2013 |
20130067915 | METHODS AND SYSTEMS FOR DIAGNOSING A TURBOCHARGER - Various methods and systems are provided for a turbocharger. In one example, a method includes receiving a signal indicative of a monitored pressure of a pressurized oil supply of a turbocharger or other turbomachine. The method further includes determining whether a high frequency component of the signal meets one or more designated criteria, and, if the high frequency component of the pressure meets the one or more designated criteria, generating a first control signal. | 03-21-2013 |
20130067994 | SYSTEMS AND METHODS FOR DIAGNOSING AN ENGINE - Presently disclosed are methods and systems for diagnosing a coolant leak of an engine. A method may include diagnosing a coolant leak of an engine based on identified fill signatures of a measured engine coolant pressure. A vehicle system is also disclosed, including an engine, a coolant system operatively connected to the engine, a coolant pressure sensor configured to measure engine coolant pressure during operation of the engine, and a controller, including instructions configured to create a coolant pressure profile corresponding to a given engine speed, and diagnose a condition of the engine based on the coolant pressure profile. | 03-21-2013 |
20130071260 | SYSTEM AND METHOD FOR DIAGNOSING A RECIPROCATING COMPRESSOR - Methods and systems are provided for a compressor including a crankcase. A condition of the compressor may be diagnosed based on a valve leak condition of the compressor based on piston motion within the crankcase. Once a diagnosis is made, appropriate remedial action can be taken to minimize severity. | 03-21-2013 |
20130073172 | DETECTION SYSTEM AND METHOD - A detector ( | 03-21-2013 |
20130073174 | SYSTEM AND METHOD FOR DIAGNOSING AN ENGINE - Methods and systems are provided for an engine including a crankcase. A condition of the engine may be diagnosed based on frequency content of crankcase pressure. Different types of degradation may be distinguished based on a frequency content of multiple frequencies of the crankcase pressure. Thus, a degraded engine component may be identified in a manner that reduces service induced delay. | 03-21-2013 |
20130294934 | SYSTEM AND METHOD FOR A COMPRESSOR - Systems and methods of the invention relate to diagnosing a compressor. A method may include monitoring a pressure of compressed air within a reservoir, actuating a piston within a cylinder of the compressor, and detecting a leak condition of an exhaust valve of the cylinder through recognition of a change in the monitored pressure of the compressed air within the reservoir during a time period in which the piston is actuated. A system is also disclosed including an engine, a compressor operatively connected to the engine, and a controller that is operable to determine a condition of the compressor. | 11-07-2013 |
20130294935 | SYSTEM AND METHOD FOR A COMPRESSOR - Systems and methods of the invention relate to diagnosing a compressor. A method may include monitoring a pressure of compressed air within a reservoir of a compressor, actuating an unloader valve of the compressor, and detecting a leak condition of the compressor through recognition of a change in the monitored pressure of the compressed air within the reservoir during a time period in which the unloader valve is actuated. A system is also disclosed including an engine, a compressor operatively connected to the engine, and a controller that is operable to determine a condition of the compressor. | 11-07-2013 |
20130294936 | SYSTEM AND METHOD FOR A COMPRESSOR - Systems and methods of the invention relate to removing fluid from a compressor to mitigate condensation accumulated for a compressor. A controller can be configured to actuate a drain valve coupled to an aftercooler of a compressor and actuate a check valve to isolate air pressure of the aftercooler from a reservoir of the compressor. Through control of the drain valve of the aftercooler and the check valve, the controller removes fluid from the aftercooler to facitliate thermal management of a compressor. | 11-07-2013 |
20130294937 | SYSTEM AND METHOD FOR A COMPRESSOR - Systems and methods of the invention relate to diagnosing a compressor. A method may include monitoring a crankcase pressure of a compressor, analyzing the monitored crankcase pressure, and identifying a condition of the compressor based on the analysis of the monitored crankcase pressure. A system is also disclosed including an engine, a compressor operatively connected to the engine, and a controller that is operable to identify a condition of the compressor. | 11-07-2013 |
20130294938 | SYSTEM AND METHOD FOR A COMPRESSOR - Systems and methods of the invention relate to diagnosing a compressor. A method may include operating a compressor to compress air from a first stage compressor into an intermediate stage reservoir, to deliver air from the intermediate stage reservoir to a second stage compressor, and to further compress the air in the second stage compressor into a primary reservoir, monitoring an intermediate stage pressure of the intermediate stage reservoir, and identifying a condition of the compressor through recognition of a change in the monitored intermediate stage pressure during a time period in which the compressor is operated. A vehicle system is also provided including an engine, a compressor operatively connected to the engine, and a controller that is operable to identify a condition of the compressor. | 11-07-2013 |
20130336810 | AIR COMPRESSOR PROGNOSTIC SYSTEM - Systems and methods of the invention relate to monitoring a change in a rotational speed of a crankshaft to identify a failure related to a crankcase breather valve. A reciprocating compressor can include a detection component that is configured to track a rotational speed of a crankshaft of a compressor to identify a change in rotational speed. In an embodiment, the rotational speed can be monitored while unloaded and/or below approximiately 800 Revolutions Per Minute (RPM). Based on a change in a rotational speed of the crankshaft, a controller can be configured to communicate an alert which corresponds to a failure related to the crankcase breather valve. | 12-19-2013 |
20130338899 | SYSTEMS AND METHODS FOR DIAGNOSING AN ENGINE - Presently disclosed are methods and systems for detecting and diagnosing a coolant leak of an engine. A method may include diagnosing a coolant leak of the engine based on a low frequency pressure response of a measured engine coolant pressure. A vehicle system is also disclosed, including an engine, a coolant system operatively connected to the engine. The coolant system includes a coolant reserve and a coolant pump between the engine and the coolant reserve. The vehicle also includes a coolant pressure sensor to measure coolant pressure, and a controller configured to measure an engine coolant pressure and diagnose a coolant leak of the coolant system based on a low frequency pressure response of the measured engine coolant pressure. | 12-19-2013 |