METHOD AND APPARATUS FOR APPLYING RAILWAY BALLAST

Title:

METHOD AND APPARATUS FOR APPLYING RAILWAY BALLAST

Document Type and Number:

WIPO Patent Application WO2006009632

Kind Code:

A3

Abstract:

A method and apparatus for spreading ballast along railways makes use of an inertial measurement system to determine where to apply ballast from a hopper car. A variety of techniques can be used to determine the location and speed of the ballast spreading train, including manual or automated visual techniques, laser technology, radar technology, radio frequency transponders, magnetic sensor, thermal imaging and aerial photogrammetry. The invention also contemplates "on the fly" surveys and terrain profiling using lasers or radar.

Inventors:

HERZOG STANLEY M (US)
BOUNDS IVAN E (US)
SCHMITZ RON (US)
POGGLEMILLER RANDY L (US)
BEDINGFIELD STEPHEN L (US)
LAUGHLIN DANIEL B (US)
HARRIS PAT (US)
SHIRK TONY (US)

Application Number:

PCT/US2005/020512

Publication Date:

June 29, 2006

Filing Date:

June 10, 2005

Export Citation:

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Assignee:

HERZOG CONTRACTING CORP (US)
HERZOG STANLEY M (US)
BOUNDS IVAN E (US)
SCHMITZ RON (US)
POGGLEMILLER RANDY L (US)
BEDINGFIELD STEPHEN L (US)
LAUGHLIN DANIEL B (US)
HARRIS PAT (US)
SHIRK TONY (US)

International Classes:

E01B27/00; E01B27/02

Foreign References:

US6058628A	2000-05-09
US6704626B1	2004-03-09

Other References: