6 patents
Utility
Composite rail joint end post
2 May 23
An end post (30) for a rail joint assembly comprising: a top portion (12) consisting essentially of a first electrically insulating material comprising a fiber reinforced polymer material and having a profile substantially identical to cross-sectional shapes of rail head sections of first and second rails of the rail joint assembly; a base (16) having a profile substantially identical to cross-sectional shapes of rail base sections of first and second rails of the rail joint assembly; and a stem (14) disposed between the top portion (12) and the base (16); wherein the stem (14) and the base (16) consist essentially of a second electrically insulating material comprising a polymer material.
Arka Prabha Roy, Korhan Ciloglu, Sidney Shue
Filed: 18 Sep 18
Utility
Wayside friction management system
7 Jun 22
A wayside friction management system, and method for monitoring and controlling a wayside friction management system is described.
Stefan Alexandru Suciu, Mark Wylie, Petar Gueorguiev
Filed: 10 Nov 17
Utility
Top of rail resilient bar
15 Mar 22
An applicator for applying a friction modifying material to the surface of a rail is provided.
Glen Appleby, Matthew Redfield, Charles Schnorr, Charles A. Petrie
Filed: 12 Mar 18
Utility
Rail port insert
26 Oct 21
A rail port insert is provided.
Joel Vandermarel, David Elvidge
Filed: 14 Jul 16
Utility
Direct fixation fastener
24 Aug 20
A bonded, direct fixation fastener as supportive structure for a rail on a railroad bed comprising: a substantially rectangular rail plate, wherein the rail plate has a generally horizontal center portion having a lower face and an upper face and wherein the rail plate defines an outer perimeter having a face defining a first angle to the railroad bed, the rail plate having attachment means to attach to the rail; a substantially rectangular bottom member defines an inner perimeter having a face defining a second angle to the railroad bed; and a substantially rectangular elastomeric portion disposed between, and bonded to each of, the outer perimeter and face of the rail plate and the inner perimeter and face of the bottom member.
Robert L. Alsop, Arka Prabha Roy, Michael Patrick O'Connell
Filed: 11 Jul 17
Utility
Stray current sensor
17 Aug 20
A sensor for detecting electrical current on an insulating element of a rail system, comprising: at least one electrically conductive lead or wire for attaching the sensor to the insulating element; an energy harvester for harvesting electric current transmitted from the insulating element to the energy harvester via the lead; a microprocessor circuit including a capacitor wherein the capacitor is charged by energy harvested by the energy harvester; and a transmitter for wirelessly transmitting RF signals indicative of the detected current; wherein the microprocessor and transmitter are powered by the energy from the capacitor.
Jacob Bridges, Korhan Ciloglu
Filed: 11 Dec 16
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