| Patent Number |
Title Of Patent |
Date Issued |
| 7543796 |
High flow calibration test point |
June 9, 2009 |
| A high flow calibration test point has entry, inlet, and outlet ports and a spring-biased plunger that in one position provides communication between the entry port and both the inlet and outlet ports, in another position provides communication between the entry port only with the ou |
| 7520574 |
Pneumatic emergency brake release timer |
April 21, 2009 |
| A pneumatic emergency brake release timer comprises a high capacity transfer valve, a timing reservoir in communication with the pilot port of the high capacity transfer valve, the check valve and choke circuit providing parallel connections between the main source of pressure and th |
| 7374252 |
Wheel slip brake assurance module |
May 20, 2008 |
| A wheel slip assurance module comprises a device for disabling the wheel slip valve, a timing reservoir in communication with the disabling device, and a check valve and choke circuit providing parallel connections between the output of the wheel slip valve and the timing reservoir h |
| 6847869 |
Software based brake shoe wear determination |
January 25, 2005 |
| By calculating energy used by friction brake equipment, the amount of friction brake shoe/pad wear is monitored. As amount of energy supplied reaches a percentage of the friction brake shoe/pad energy design limit, and indication for inspection is provided. If the supplied friction energ |
| 6739675 |
Brake effort monitor |
May 25, 2004 |
| A brake effort monitor for railcar braking systems includes means connected to receive a brake effort request signal and a vehicle speed signal for generating an energy requested signal. Another device is connected to receive a brake effort actual signal and a vehicle speed signal for |
