Abstract: An electrically heatable glow plug for an internal combustion engine includes a corrosion-resistant metal jacket, a compressed powder filling contained therein, and an electrically conducting coil embedded in the filling. To increase the lifetime of the heating coil, a getter material for binding the oxygen contained in the compressed powder filling is provided. The getter material can be distributed in the form of electrically nonconducting particles in the compressed powder filling. The getter material can also be applied as a coating to the coil or to the inner surface of the metal jacket.

Abstract: A governor for air compressors of vehicles, that serves to control additional devices, especially energy-saving devices. From an inlet connection supplied from the compressed air supply, a pilot valve designed as a round slide valve with a small cross section is controlled. The pilot valve monitors the supply of compressed air to a switching piston for a double valve with a large cross section. The double valve is supplied with compressed air from the inlet connection and causes an outlet connection connected with the additional device to be charged with air or cut off from the air. The switching piston is connected with a valve tube of the round slide valve in such fashion that this valve, during switching processes, is moved in a direction opposite to that of regulating piston of the pilot valve, so that a precise switching of the governor that reflects the pressure differential is achieved at the upper and lower pressure limits.

Abstract: An apparatus and method control an automatic transmission of an automobile. When a feedback control is executed by the automatic transmission while the speed is being changed, the control operation may often lose stability due to a large deviation between a target value and a practical value at the start of the feedback control operation being caused by a change in the opening degree of the throttle and a change in the oil temperature in the automatic transmission. To solve such a technical problem, the control apparatus which detects that the automatic transmission is changing the speed, operates the output shaft torque of the automatic transmission, recognizes a point of inflection of the output shaft torque while the speed is being changed, sets a target output shaft torque of the automatic transmission, and sets an initial target value at a moment of the point.