Abstract: In one embodiment, a magnetoresistive (MR) magnetic field sensor system includes a MR magnetic field sensor bridge. The MF magnetic field sensor bridge includes a sense leg with a sense element with a first layer with a first fixed magnetization orientation and, a second layer with a first free magnetization orientation, the first free magnetization orientation orthogonal to the first fixed magnetization orientation at a zero applied magnetic field. A reference leg of the MF magnetic field sensor bridge is electronically connected in parallel to the sense leg. The reference leg includes at least one reference element with a third layer with a second fixed magnetization orientation parallel to, and in the same direction as, the first fixed magnetization orientation, and a fourth layer with a second free magnetization orientation, the second free magnetization orientation parallel to the first fixed magnetization orientation at the zero applied magnetic field.

Abstract: A magnetic field sensor array includes a plurality of sensor segments, each including a plurality of magnetic field sensors. A magnetizing current conductor is situated so as to run in the area of the magnetic field sensors in such a way that elements of the magnetic field sensors may be magnetized. A plurality of parallel-connected half-bridges, each including a high switch pJ and a low switch nJ, each include a center tap connection situated between the switches. The magnetizing current conductor is connected to each center tap connection, by means of which the magnetizing current conductor is divided into separately activatable magnetizing segments. Elements of a sensor segment are magnetized in that two switches nJ and pJ+1 having different electrical potentials, or alternatively pJ and nJ+1, of two directly adjacent half-bridges are closed simultaneously. At least one further switch nX<J or pY>J+1 or alternatively pX<J or nY>J+1 is closed.

Abstract: A magnetic field sensor array includes a plurality of sensor segments, each including a plurality of magnetic field sensors. A magnetizing current conductor is situated so as to run in the area of the magnetic field sensors in such a way that elements of the magnetic field sensors may be magnetized. A plurality of parallel-connected half-bridges, each including a high switch pJ and a low switch nJ, each include a center tap connection situated between the switches. The magnetizing current conductor is connected to each center tap connection, by means of which the magnetizing current conductor is divided into separately activatable magnetizing segments. Elements of a sensor segment are magnetized in that two switches nJ and pJ+1 having different electrical potentials, or alternatively pJ and nJ+1, of two directly adjacent half-bridges are closed simultaneously. At least one further switch nX<J or pY>J+1 or alternatively pX<j or nY>J+1 is closed.

Abstract: In one embodiment, a magnetoresistive (MR) magnetic field sensor system includes a MR magnetic field sensor bridge. The MF magnetic field sensor bridge includes a sense leg with a sense element with a first layer with a first fixed magnetization orientation and, a second layer with a first free magnetization orientation, the first free magnetization orientation orthogonal to the first fixed magnetization orientation at a zero applied magnetic field. A reference leg of the MF magnetic field sensor bridge is electronically connected in parallel to the sense leg. The reference leg includes at least one reference element with a third layer with a second fixed magnetization orientation parallel to, and in the same direction as, the first fixed magnetization orientation, and a fourth layer with a second free magnetization orientation, the second free magnetization orientation parallel to the first fixed magnetization orientation at the zero applied magnetic field.

Abstract: A heat exchanger including a first header, a second header, and a third header. The third header includes a first plate including a generally planar face and a second plate including a generally planar face parallel to the planar face of the first plate and joined to the planar face of the first plate. The second plate includes an arcuate recess that extends from the planar face of the second plate to at least partially define a flow conduit between a first tube and a second tube. The arcuate recess has a radius of curvature measured from an axis generally parallel to the planar faces of the first and the second plates, and the axis is located within a first plane generally parallel to and midway between first and second opposing flat broad sides of the first tube and the second tube.

Abstract: A heat exchanger including a first header, a second header, and a third header. The third header includes a first plate including a generally planar face and a second plate including a generally planar face parallel to the planar face of the first plate and joined to the planar face of the first plate. The second plate includes an arcuate recess that extends from the planar face of the second plate to at least partially define a flow conduit between a first tube and a second tube. The arcuate recess has a radius of curvature measured from an axis generally parallel to the planar faces of the first and the second plates, and the axis is located within a first plane generally parallel to and midway between first and second opposing flat broad sides of the first tube and the second tube.