RAILWAY PASSENGER CAR HEATING SYSTEM AND HEAT GENERATOR Russian patent published in 2004 - IPC

FIELD: mechanical engineering; railway transport.

SUBSTANCE: invention relates to heating devices for vehicles, including railway cars. Proposed heating system includes heat generator whose inlet is connected with outlet of water electric pump, bypass line connecting outlet of heat generator with pump inlet, water heating radiators and power supply system. Restrictor and low-pressure ejector are installed on bypass line in direction of water flow. Heat generator contains water flow accelerator made in form of high-pressure ejector at outlet of which diffuser is installed with clearance. Outlet of high-pressure ejector and inlet of diffuser are located in sealed chamber which communicates with ambient medium through air leak. Outlet of diffuser is connected with inlet of brake device whose outlet is connected to water feed main line.

EFFECT: increased efficiency of heating system, reduced energy consumption and improved safety in operation.

3 cl, 2 dwg