Jon W Bossoli

6948384, Sep 27, 2005

Sep 10, 2002

10/238673

Jon W. Bossoli - Cheshire CT, US

Siemens VDO Automotive Corporation - Auburn Hills MI

G01L003/14

73862333

A coupler acts as an interface between a torque element of a torque sensor and a shaft receiving an applied torque. A portion of the shaft is allowed to twist freely inside the element, and the coupler transfers a portion of the torsion forces in the shaft to the element. The element deforms and generates a magnetic field or other torque response corresponding to the applied torque in the shaft. The applied torque can then be determined based on a relationship between the torque in the shaft and the torque in the element. Reducing the torsion forces applied to the element allows the element to measure higher applied torques without permanently deforming.

7127797, Oct 31, 2006

Apr 20, 2000

09/553647

Brian D. Kilmartin - Chesire CT, US
Carl Gandarillas - Beacon Falls CT, US
Jon W. Bossoli - Cheshire CT, US

H01F 7/06

296021, 73862336

A method for producing a low-hysteresis magnetoelastic element comprising applying a magnetoelastic material onto a metal substrate. After the magnetoelastic element is securely bonded to the underlying shaft, a reduction in the outside diameter of the shaft draws the magnetoelastic element radially inward causing it to occupy a smaller volume. This process provides the magnetic anistropy required for the sensor to operate properly, and also results in a densification of the magnetoelastic element making it inherently stable. Several methods of reducing the outside diameter of the shaft to draw the magnetoelastic element radially inward have been devised. Prior to deposition of the magnetoelastic material, the outside diameter of a hollow shaft is elastically expanded by applying force to its inside diameter. This is accomplished by using an expanding insert, by pressurizing the cavity within the shaft, or by inducing a managed thermal expansion of the shaft prior to material deposition. Post-deposition operation can also be implemented to reduce the shaft diameter, such as drawing the shaft axially until it yields.

20040130314, Jul 8, 2004

Sep 16, 2003

10/663564

Jon Bossoli - Cheshire CT, US
Alan Morrison - Southington CT, US

Siemens VDO Automotive Corporation

G01P003/48
G01B007/30

324/174000, 324/207200, 324/207210, 324/207220

A magnetic assembly apparatus and method for optimizing the magnetic field characteristics generated by the magnetic assembly used in active speed sensors. The magnetic assembly comprising a plurality of pole pieces inserted within a tubular magnet. By optimizing the geometry of the magnetic assembly, the region of usable magnetic field is altered to accommodate the switching characteristics of a given magnetic sensing device allowing the use of low cost sensing devices.

20090008823, Jan 8, 2009

Aug 29, 2007

11/846779

Tim Alexander - Sarasota FL, US
Scott D. Hall - Sullivan FL, US
Jon Bossoli - Venice FL, US

STONERIDGE, INC. - Warren OH

B29C 45/14

2642791

A method of sealing a sensor assembly from contaminants including inserting the assembly into an overmold, providing a first stage overmold to cover a first portion of said sensor assembly intended to be external to an associated bore, and providing a second stage overmold to cover a second portion of the assembly intended to be disposed in the associated bore.

58892150, Mar 30, 1999

Dec 4, 1996

8/768739

Brian David Kilmartin - Cheshire CT
Jon William Bossoli - Cheshire CT

Philips Electronics North America Corporation - New York NY

G01L 310

73862335

A magnetoelastic layer is provided on a shaft for sensing torque carried by the shaft around a longitudinal axis. The layer includes first and second adjacent annular parts of a magnetically anisotropic material with circumferential easy axes. The parts are magnetically polarized in opposite circumferential directions when in a quiescent state, but produce helical magnetic fields with respective axial components when torque is carried by the shaft. First and second magnetic-field-guiding structures combine to provide shielding of the magnetoelastic layer from ambient external magnetic fields and to maximize coupling of the axial components from the magnetoelastic layer to one or more magnetic field detectors.