Air-conditioning system for a railroad train

Details Air-conditioning system for a railroad train Air-conditioning system for a railroad train

1990-05-03

1991-12-24

Tanner, Harry B.

Refrigeration

Automatic control

Of external fluid or means

62239, 62295, 62296, 62428, 165 41, F25B 3904, B60H 100

Patent

active

050741225

ABSTRACT:
A compression-type air-conditioning system for a railraod car, intended in particular for a high-speed train, includes a refrigerant compressor, a condenser with tubes in which compressed fluid is cooled by circulation of air around the tubes and is thereafter liquified, an expansion valve supplying a low-temperature refrigerating gas, and an evaporator following the expansion valve. The tubes of the condenser form an oblique bank between a floor of the railroad car and an underframe of the air-conditioning system. The oblique bank enables, on the one hand, the number of the tubes and consequently the cooling capacity of the air-conditioning system to be increased. On the other hand, space is freed up in a vertical direction for fitting damping devices at different fastening points on the condenser. As a result of the invention, there is an improvement in the comfort of passengers, both in terms of air-conditioning and in terms of reducing vibrations. Furthermore, there is a reduction in operating costs.

REFERENCES:
patent: 1769119 (1930-07-01), Davenport
patent: 1886607 (1932-11-01), Van Deventer
patent: 2100834 (1937-11-01), Chapman
patent: 2111905 (1938-03-01), Smith, Jr. et al.
patent: 2150076 (1939-03-01), Neubauer et al.
patent: 3218820 (1965-11-01), Spatt
patent: 3785167 (1974-01-01), Sahs
patent: 3853174 (1974-12-01), Kramer
patent: 4905478 (1990-03-01), Matsuda et al.

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