B - Operations – Transporting – 61 – F
Patent
B - Operations, Transporting
61
F
B61F 3/00 (2006.01) B60G 17/052 (2006.01) B60G 21/04 (2006.01) B61F 5/22 (2006.01)
Patent
CA 2305722
A railway truck leveling valve arrangement for improved railway car floor height control comprises a pneumatic level regulating valve (26), a rigid, lightweight bar (14), and a leveling valve linkage (12). The level regulating valve (26) is connected to and mounted above a secondary air spring suspension (30). The rigid, lightweight bar (14) extends between the axleboxes (16) of the railway truck wheelsets (19), the railway truck wheelsets (19) being coupled to a primary suspension (28). The level regulating valve linkage (12) connects the level regulating valve (26) and the rigid bar (14). The level regulating valve (26) senses spring deflection in both primary and secondary suspensions (28, 30) and signals the secondary air spring suspension (30) to compensate for both deflections. Consequently, the correction of the overall railway car floor height by the secondary suspension provides more precise car floor to station platform height control.
Structure de soupape de réglage de la hauteur pour véhicule sur rail, qui permet un réglage amélioré de la hauteur du plancher d'une voiture sur rail et qui comprend une soupape (26) pneumatique de réglage de la hauteur, une barre rigide (14) légère et une tringlerie (12) de soupape. La soupape (26) est reliée à et montée sur une suspension secondaire (30) à ressort pneumatique. La barre rigide (14) s'étend entre les boîtes à graisse (16) des essieux montés (19) de la voiture, qui sont couplés à une suspension primaire (28). La tringlerie (12) relie la soupape (26) et la barre rigide (14). La soupape (26) détecte la déflexion du ressort pneumatique dans les suspensions primaire et secondaire (28, 30) et commande la suspension secondaire (30) afin qu'elle compense les deux déflexions. La correction de la hauteur du plancher de la voiture par la suspension secondaire permet ainsi de régler plus précisément la hauteur du plancher de la voiture par rapport au quai.
Buckeye Steel Castings Company
Columbus Steel Castings Company
Smart & Biggar
LandOfFree
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