"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
|5425571||Split system full-funtion valve system for heavy duty semi-trailer brake systems|
A full function brake valve for a semi-trailer is contained within a single housing and provides ports for receiving supply air and control air, and for delivering and receiving air from reservoirs, service brakes and spring brakes, and delivering air to ...
|4577910||Quick release valve arrangement|
A quick release valve for releasing the locomotive automatic brake independently of the train brakes when an AB/D type freight brake control valve is used on the locomotive. A release valve normally establishes a fluid control passage between the control ...
|4163587||Pneumatic railway braking distributor|
A brake cylinder fluid pressure distributor having a control valve device of the pressure proportioning type that includes a main and auxiliary reaction piston, each subject on a corresponding face to pressure delivered by the control valve device to the ...
|4113319||Emergency portion for a brake control valve|
An upgraded railway freight car brake control valve device comprises a novel emergency valve portion that embodies therein a plurality of simple and inexpensive poppet valves and a spool-type valve which valves replace yet perform the same functions heret...
|4043604||Emergency portion for a brake control valve|
A railway freight car brake control valve device comprises a novel emergency valve portion that embodies therein a plurality of simple and inexpensive diaphragm-type valves certain of which are subject on their respective opposite sides to brake pipe pres...
|4025126||Brake control valve device with movable control reservoir charging valve|
A brake control valve device operated by a reduction in brake pipe pressure on one side of a movable abutment relative to control reservoir pressure on the opposite side embodies in the abutment a control reservoir charging valve mechanism, a filter and a...