B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
303/64
B01D 53/04 (2006.01)
Patent
CA 1305743
(Case No. 8447) ABSTRACT OF THE DISCLOSURE A system for removing moisture from compressed air in pneumatic brake equipment including an air compressor having an outlet pneumatically connected to an inlet of a cooler. The cooler having an outlet pneumatically connected to a pair of electromagnetic multi-way valves. Each of the valves includes a supply section and an exhaust section. A pair of drying cylinders have inlets selectively pneumatically connectable to the supply and exhaust sections of the respective pair of electromagnetic multi-way valves. An air reservoir has its inlet pneumatically connected to the outlets of the drying cylinders via a respective check valve. A governor is pneumatically connected to the air reservoir for sensing the pressure level in the air reservoir. A control circuit is electrically connected to the pair of electromagnetic multi-way valves and the governor for causing the drying cylinders to switch to the drying and regenerating state at a preset time only when the air compressor is continuously operating for a time longer than the preset time and to remain in the same positions that they were in just prior to the stopping of the air compressor.
571652
Hata Yasuhisa
Kitaue Masaaki
Fetherstonhaugh & Co.
Nippon Air Brake Co Ltd.
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