Abstract: In a method for operating a compressor (22) having an inlet (26) and an outlet (28), the method includes: running the compressor to compress a fluid; shutting down (422) the compressor; determining (420) a condition-dependent threshold restart pressure difference (threshold) across the compressor; relieving the pressure-difference to reach the threshold; and, after the threshold is reached, restarting (434) the compressor.

Abstract: A system, controller, and method for aligning a stereo camera of a vehicle mounted object detection system that includes a first camera and a second camera mounted spaced apart on a vehicle. An image from each camera at two different times is used to determine an observed displacement of an object relative to the vehicle. A predicted displacement of the object relative to the vehicle is also determined using either a difference of vehicle position measured based on other vehicle measurements or GPS, or a difference of size of the object in images taken at the two different times. Alignment is provided by determining a triangulation correction based on a difference of the observed displacement and the predicted displacement to correct for misalignment of the cameras.

Abstract: A system, controller, and method for aligning a stereo camera of a vehicle mounted object detection system that includes a first camera and a second camera mounted spaced apart on a vehicle. An image from each camera at two different times is used to determine an observed displacement of an object relative to the vehicle. A predicted displacement of the object relative to the vehicle is also determined using either a difference of vehicle position measured based on other vehicle measurements or GPS, or a difference of size of the object in images taken at the two different times. Alignment is provided by determining a triangulation correction based on a difference of the observed displacement and the predicted displacement to correct for misalignment of the cameras.

Abstract: A collision sensor module configured to be attached to a surface of a vehicle. The module includes a collision sensor circuit board configured to detect acceleration indicative of a vehicle collision event. The exterior of the module is defined by a housing that includes a rigid part and a flexible part. The rigid part is configured to define a wing portion for attaching the rigid part to the surface, provide an underside surface of the rigid part to couple the collision sensor circuit board to the surface in a manner effective for the circuit board to detect when the vehicle is involved in a collision event. The flexible part is configured to sealingly contact the rigid part and the collision sensor circuit board in a manner effective to seal the protective cavity when the rigid part is attached to the surface and thereby protect the collision sensor circuit board.

Abstract: A collision sensor module configured to be attached to a surface of a vehicle. The module includes a collision sensor circuit board configured to detect acceleration indicative of a vehicle collision event. The exterior of the module is defined by a housing that includes a rigid part and a flexible part. The rigid part is configured to define a wing portion for attaching the rigid part to the surface, provide an underside surface of the rigid part to couple the collision sensor circuit board to the surface in a manner effective for the circuit board to detect when the vehicle is involved in a collision event. The flexible part is configured to sealingly contact the rigid part and the collision sensor circuit board in a manner effective to seal the protective cavity when the rigid part is attached to the surface and thereby protect the collision sensor circuit board.

Abstract: A method and a system for assisting a vehicle operator to parallel park a vehicle. The method and system use only a single proximity sensor to detect a suitable parallel parking space and monitor the position of the vehicle when backing into the parallel parking space. Assistance to parallel park the vehicle may be as little as providing indications or warning to a vehicle operator while the vehicle operator backs the vehicle into the parallel parking space, or may be as much as taking complete control of the vehicle away from the vehicle operator, and autonomously parallel parking the vehicle.

Abstract: A vehicle collision sensing system having sensor modules distributed about the vehicle configured to receive initialization signals for coordinating communication with a control module over a time multiplexed communication network that is part of the control module. The control module has a switch that is open when a first sensor module is initialized and closed when a second sensor module is initialized so that each sensor module can be individually initialized or programmed after installation in the vehicle. By individually initializing each sensor module after the sensor modules are installed in the vehicle, identical sensor modules can be installed at various locations about the vehicle and thereafter initialized to make each sensor module unique.

Abstract: A system and method are provided for communicating data synchronously with a plurality of crash sensors onboard a vehicle. The system includes a control unit comprising interface circuitry for communicating with a plurality of crash sensors and providing synchronization signals to the crash sensors. The system also includes a communication bus coupled to the control unit for communicating with the crash sensors. The system further includes a plurality of crash sensors connected to the communication bus for communicating with the control unit. Each of the plurality of crash sensors receives one or more synchronization signals and is capable of transmitting data in response to the synchronous signals. The plurality of crash sensors each comprises logic for comparing a sensed parameter to a threshold and transmitting data when the sensed parameter exceeds the threshold.

Abstract: A vehicle crash sensing system and method are provided for sensing a vehicle crash event. The system includes a linear acceleration sensor located on a vehicle for sensing linear acceleration along a first sensing axis and generating a linear acceleration signal. The system has linear crash sensing logic for determining a crash event along the first sensing axis as a function of the sensed linear acceleration. The system also has signal processing circuitry for processing the linear acceleration signal and generating a processed linear acceleration signal. The system has an angular rate sensor located on the vehicle for sensing an angular roll rate of the vehicle about a second sensing axis and generating a roll rate signal. The system further includes rollover crash sensing logic for determining a rollover event of the vehicle about the second sensing axis as a function of the processed linear acceleration signal and the roll rate signal.

Abstract: A nursing bottle comprising a fluid container having a cushiony exterior sidewall and an object disposed between the fluid container and the exterior sidewall to enable viewing of the object through the exterior sidewall.

Abstract: A multiple-axis sensor package and method of assembling a multiple-axis sensor package are provided. The package includes a first accelerometer for sensing acceleration in a first sensing axis. The package also includes a second substrate having a second accelerometer for sensing acceleration in a second sensing axis. The package further includes one or more bent lead connectors connecting the first substrate to the second substrate, wherein the one or more bent lead connectors are bent so that the first sensing axis is different than the second sensing axis.

Abstract: A nursing bottle comprising a fluid container having a cushiony exterior sidewall and an object disposed between the fluid container and the exterior sidewall to enable viewing of the object through the exterior sidewall.

Abstract: A supplemental restraint deployment method utilizes measured vehicle speed and acceleration and the output of a closing velocity sensor that detects the presence and closing rate of an approaching object prior to contact with the vehicle. The closing velocity and vehicle speed are utilized for classification of an impending crash event, where the deployment options vary depending on the crash classification. In the ensuing crash event, a classification-dependent algorithm is executed to determine if, when and what level of restraint deployment is warranted based on measures of actual crash severity. Additionally, the algorithm is reset when the calculated change in vehicle velocity reaches the initial closing velocity.

Abstract: A vehicle crash sensing system and method are provided for sensing a vehicle crash event. The system includes a linear acceleration sensor located on a vehicle for sensing linear acceleration along a first sensing axis and generating a linear acceleration signal. The system has linear crash sensing logic for determining a crash event along the first sensing axis as a function of the sensed linear acceleration. The system also has signal processing circuitry for processing the linear acceleration signal and generating a processed linear acceleration signal. The system has an angular rate sensor located on the vehicle for sensing an angular roll rate of the vehicle about a second sensing axis and generating a roll rate signal. The system further includes rollover crash sensing logic for determining a rollover event of the vehicle about the second sensing axis as a function of the processed linear acceleration signal and the roll rate signal.

Abstract: The present invention provides a system of and a method for multiple transmitters to communicate data over a single uni-directional communication bus. In one form of the present invention, a data communication system using time-domain multiplexing includes a uni-directional current-modulated communication bus, a plurality of sensors coupled to the communication bus, at least one of the sensors capable of detecting the data transmission of a sensor outside of the current loop of the first sensor, the sensors also capable of transmitting data on the communication bus using current loop modulation. In another form of the present invention, a method of transmitting data on a uni-directional communication bus is provided.

Abstract: A supplemental restraint deployment method utilizes measured vehicle speed and acceleration and the output of a closing velocity sensor that detects the presence and closing rate of an approaching object prior to contact with the vehicle. The closing velocity and vehicle speed are utilized for classification of an impending crash event, where the deployment options vary depending on the crash classification. In the ensuing crash event, a classification-dependent algorithm is executed to determine if, when and what level of restraint deployment is warranted based on measures of actual crash severity. Additionally, the algorithm is reset when the calculated change in vehicle velocity reaches the initial closing velocity.

Abstract: Impending rollover events are detected based on differential z-axis (i.e., vertical) acceleration. Vertical or z-axis acceleration measured at laterally opposite sides of the vehicle are filtered and differenced, and the differential acceleration is processed and compared to a calibrated threshold to detect impending rollover. Separate algorithms are employed to detect different categories of rollover events, and a sum of the z-axis acceleration measurements is used as a safing signal.

Abstract: The present invention provides a system of and a method for multiple transmitters to communicate data over a single uni-directional communication bus. In one form of the present invention, a data communication system using time-domain multiplexing includes a uni-directional current-modulated communication bus, a plurality of sensors coupled to the communication bus, at least one of the sensors capable of detecting the data transmission of a sensor outside of the current loop of the first sensor, the sensors also capable of transmitting data on the communication bus using current loop modulation. In another form of the present invention, a method of transmitting data on a uni-directional communication bus is provided.

Abstract: An occupant restraint deployment apparatus for a vehicle has a passenger compartment crash sensor and a plurality of satellite crash sensors, typically in vehicle crush zones. The satellite sensors are each responsive to local acceleration to generate a satellite deploy level signal having discrete values. The passenger compartment sensor is responsive to a passenger compartment (i.e. vehicle) acceleration to generate a passenger compartment deploy level signal and a passenger compartment safing signal. A multi-stage restraint in the passenger compartment is deployable by a control acting in three parallel modes, each requiring a deploy signal from one of the crash sensors based on full deploy requirements and a safing signal, typically based on lesser requirements, from a different one of the crash sensors. The three modes differ in which sensors provide each of the signals: (1) satellite deploy, passenger safe; (2) satellite deploy, different satellite safe; and (3) passenger deploy, satellite safe.

Abstract: A vehicle rollover detection apparatus and method are provided for detecting an overturn condition of the vehicle. The rollover detection apparatus includes an angular rate sensor sensing angular rate of the vehicle, and a vertical accelerometer for sensing vertical acceleration of the vehicle. A controller processes the sensed angular rate signal and integrates it to produce an attitude angle. The vertical acceleration signal is processed to determine an inclination angle of the vehicle. The rollover detection apparatus adjusts the attitude angle as a function of the inclination angle and compares the adjusted attitude angle and the processed angular rate signal to a threshold level to provide a vehicle overturn condition output signal. Additionally, the rollover detection apparatus detects a near-rollover event and adjusts the variable threshold in response thereto to prevent deployment of a vehicle overturn condition, thus providing immunity to such events.