Xiaoying G Ma, Age 71664 Camelot Dr, Oak Brook, IL 60527

6745700, Jun 8, 2004

Jun 14, 2002

10/172783

Xiaoying Ma - Itasca IL
Hans-Dieter Schaller - La Grange IL
David Jason Goding - Palos Park IL

General Motors Corporation - Detroit MI

B61D 100

105166, 105 341

An arrangement for self-steering, radial bogie, truck or vehicle frame for locomotives and other railroad vehicles, which mount unitized brakes to steering beams located either ahead and/or behind their respective leading and trailing wheelsets.

6871598, Mar 29, 2005

Jun 14, 2002

10/172806

Hans-Dieter Schaller - La Grange IL, US
Xiaoying Ma - Itasca IL, US
David Jason Goding - Palos Park IL, US

General Motors Corporation - Detroit MI

B61F005/00

105168, 105167, 105 341, 1051571

An arrangement for self-steering, radial bogie, truck or vehicle frame for locomotives and other railroad vehicles, which includes steering beams for and located behind their respective leading and trailing wheelsets, and whose rotary motions are coupled by an inter-axle link to provide opposite transverse movement of the first and third wheelsets upon traversing curves.

2010001, Jan 21, 2010

Jul 16, 2009

12/504516

Hans-Dieter Schaller - LaGrange IL, US
Xiaoying Ma - Burr Ridge IL, US

B61F 5/38
B61F 3/00
B61F 5/50

105168

A self-steering system for a radial bogie of a railroad vehicle is provided. The self-steering system includes a plurality of links which connect the leading and trailing wheelsets to the bogie frame. Each of the links is adapted to provide a smaller degree of movement between the link and the wheelset at one end and a larger degree of movement between the link and the bogie frame at the other end.

5775228, Jul 7, 1998

Apr 14, 1997

8/843320

Harinder Singh Lamba - Downers Grove IL
Robert Thomas Scott - Lockport IL
Xiaoying Sean Ma - Chicago IL

General Motors Corporation - Detroit MI

B61C 1500

105 73

At least one powered disc is suspended from a locomotive and applied to a rail surface for treating the rail surface ahead of driven locomotive wheels to increase adhesion between the driven wheels and the rail surface. Torque applied to the disc varies the rate of rotation of the disc away from that of a freely-rotating disc so that a significant level of creep may be maintained between the disc and the rail surface with substantially no angle of attack between the disc and the longitudinal axis of the rail. The torque may be generated through a second disc contacting the rail and coupled to the first disc with the first and second discs rotating with differing rates of rotation, or may be generated through a passive or active actuator coupled directly to the disc. The amount of creep between the disc and the rail surface and the direction of the creep may be varied in accordance with the level of contamination of the rail and the disc may be disengaged from the rail when cleaning is not required.

2018013, May 17, 2018

Nov 14, 2016

15/350929

- LaGrange IL, US
Xiaoying Ma - Chicago IL, US
Kevin Lucas Kohler - Chicago IL, US

Electro-Motive Diesel, Inc. - LaGrange IL

B61F 5/16
B61F 3/04

A weight shifting mechanism for a bogie frame is provided. The weight shifting mechanism may include an axle support pivotally coupled to the idler axle, a pusher link pivotally coupled to the axle support and forming a first fulcrum with the bogie frame, a support member pivotally coupled to the pusher link and the axle support, and an actuator mounted on the support member and actuatably coupled to the axle support via a live lever and a connector link. The live lever may form a second fulcrum with the support member and may be pivotally coupled to the connector link. The connector link may be pivotally coupled to the axle support. The actuator may selectively pivot the live lever about the second fulcrum to pivot the axle support about the idler axle and move the bogie frame relative to the idler axle.

2016017, Jun 23, 2016

Dec 18, 2014

14/575268

- LaGrange IL, US
Saket Ashokkumar Mishra - Burr Ridge IL, US
Xiaoying Ma - Chicago IL, US

Electro-Motive Diesel, Inc. - LaGrange IL

B61D 17/00

A device for damping vibrations between a pair of sub-structural components of a carbody in a locomotive is disclosed. The sub-structural components are supported on a single undercarriage frame. The device includes a first support bracket affixed to a first sub-structural component, and a second support bracket that is interleaved with the first support bracket and affixed to a second sub-structural component. The device further includes a first stiffening element and a second stiffening element that are disposed on the first support bracket and in opposing relation to each other. The device further includes a reciprocating member that is rigidly connected to the second support bracket. The reciprocating member is movable between the first stiffening element and the second stiffening element to abut against one of the first stiffening element and the second stiffening element in response to a relative movement between the pair of sub-structural components of the carbody.

2016006, Mar 3, 2016

Aug 28, 2014

14/471217

- LaGrange IL, US
Michael Colarossi - Forest Park IL, US
Tim Kohler - Frankfort IL, US
Xiaoying Ma - Chicago IL, US

E01H 8/04

A moveable plow for a locomotive suitable for operating in sandy environments is provided. The moveable plow comprises a body and a wearable lip. The body forms a curl at its top edge along substantially the entire body width to channel the flow of sand outwardly. The lip is removably affixed to the body and contacts a rail. The moveable plow is attached to a bogie by a pneumatically operated height adjusting mechanism that can raise or lower the moveable plow. The moveable plow and rail define a sweep angle equal to or greater than an angle of repose of the sand in the surrounding environment.

2016006, Mar 3, 2016

Aug 28, 2014

14/471336

- LaGrange IL, US
Michael Colarossi - Forest Park IL, US
Tim Kohler - Frankfort IL, US
Xiaoying Ma - Chicago IL, US

Electro-Motive Diesel, Inc. - LaGrange IL

E01H 8/04

A sand plow system for a locomotive is described. The sand plow system may comprise an adjustable plow configured for vertical adjustment between a lowered position in which the adjustable plow is in contact with the rails and a raised position in which the adjustable plow is suspended above the rails. The sand plow system may further comprise a fixed plow disposed axially forward of the adjustable plow with respect to a longitudinal axis of the locomotive. The fixed plow may be vertically raised above the rails by a distance of less than 150 millimeters.