US1739777A

US1739777A - Car-ventilating system

Info

Publication number: US1739777A
Application number: US140719A
Authority: US
Inventors: John W Bernbaum; Wright William
Original assignee: Hotchkiss Blue & Co Ltd
Current assignee: Hotchkiss Blue & Co Ltd
Priority date: 1926-10-11
Filing date: 1926-10-11
Publication date: 1929-12-17
Anticipated expiration: 1946-12-17

Description

Dec. 17, 1929. .1. w. BERNBA UM ET AL I CAR VENTILATING SYSTEM 5 Sheets-Sheet 1 Filed my. 11

Dec.l7, 1929. J. w. BERNBAUM ETAL 1,739,777

CAR VENTILATING'SYSTEM Filed 601;. 11. 1926 5 Sheets-Sheet 2 Imfent xs Wi nesse 1929. J. WQBERNBAUM ETAL I 7 CAR VENTILATING SYSTEM Filed Oct. 11; 1926 s sheets-sheet s l mfen 01's Wm i Dec. 17, 1929; J. w. BERNBAUM ET AL- 1,739,777

CAR VENTILATI'NG SYSTEM Fil Oct. '11. 1926 5 Shets-Sheet- 4' InJnEE Dec. 17, W29. J, w. BERNBAUM ETI'AL CAR VENTILATING SYSTEM Filed Oct. 11, 1926 5 Sheets-Sheet- 5 w D A Patented Dec. 17,1929

nine srras entrant orrtee JOHN W. BERNBAUM AND WILLIAM WRIGHT, OF CHICAGO, ILLINOIS, ASSIGNOBS TO HOTCHKISS, BLUE & CO. LTD., OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS CAR-VENTILATING SYSTEM Application filed October 11, 1926. Serial No. 140,719.

Our invention relates to a system for ven Figure 9 is a sectional elevation of one end tilating railroad cars and the various comof a day coach provided with our invention.

partments thereof; the system involving means whereby the foul or vitlated air is not 5 only withdrawn from the car by controllable mechanism, but also means whereby fresh air may be introduced into the car or its various compartments at all times whether the car is in motion or standing still said means being under control of the car attendant or occupant; while the quantity of fresh air introduced at any one point or compartment may be regulated by the occupant of such compartment.

The invention also involves means whereby the air introduced from the car exterior will be made to flow through a cleaning means before it is forcibly introduced into the car proper. 1 0

The objects and advantages of our invention will be more fully comprehended from the detailed description of the accompanying drawings, wherein- Figure 1 is a longitudinal sectional view of a portion of a sleeping car with parts brokenaway. v

Figure 2 is a sectional planview of a portion of a sleeping car with intermediate portions broken away and taken substantially on the line '22 of Figure 1 looking downwardly. v y

Figure 3 is a detail sectional view taken on the line 33 of Figure 1 looking in the direction of the arrows.

Figure 1 is a detail sectional view taken on the line44 of Figure 1 looking in the di-' rection of the arrows.

Figure ,5 is a vertical sectional view of a private car compartment, with portions of the roof broken away and the running gear omitted.

Figure 6 is a vertical sectional view taken on the line 66of Figure looking in the direction of the arrows.

Figure 7 is a detail sectional view taken on the line 7-7 of Figure 6 looking in the direction of the arrows.

Figure 8 is a sectional view. taken 0n.the line 88 of Figure 6 looking in the direction of the arrows.

Figure 10 is asectional view taken on the line 1010 of Figure 9 looking in the direction of the arrows.

Figure 11 is a detail sectional view taken on the line 1l11 of Figure 9 looking in the direction of the arrows.

In the exemplification of the invention as disclosed in the first four figures of the drawings, our improved ventilating system has been shown installed in the usual type of sleeper, wherein the berth forming seats are generally indicated at 15; with the upper berth portion, in closed'condition being shown at 16 and the vestibule end of the car provided with the usual door 17, the top portion whereof is shown provided with louvres or air admitting openings 18 in order to permit fresh air from the car exterior to enter the upper part of the vestibule when the door is closed.

The ceiling 19 of the vestibule, preferably ad acent opposite sides of the car and therefore at points above the louvres 18 in the doors, is shown provided with screened openlugs 20, for the purpose of admitting the fresh air, flowing through louvres 18, into the compartment above the ceiling 19.

This compartment is provided with suction or pressure fans generally indicated at 21; the fans being operated by suitable electric motors indicated at 22.

In the particular exemplification, a pressu'reyfan 21 is shown located at each side of the compartment above the ceiling; and the intake end of each fan is shown provided with a duct 23 which connects with a suitable air cleaning device indicated at 24. The air cleaning device (one being shown at each side of the compartment above the ceiling of the vestibule) is preferably of the dual type pro-' vided with a pair of

intake ends

25, 25; the air cleaning device being of a well known centrifugal type of construction whereby any v foreign matter carried by the ingoing airis caused to accumulate in the bottom of the the pressure fans 21.

abl

openin fans arran .ing room on the op the occupant of the berth may 37 from the opposite end through the ducts 23 to the intake ends of The compartment above the ceiling 19 of the vestibule at a point intermediate-of the screened opening 20 and the air cleaner 24 is preferably provided with a baffle 26, see Figures 2 and 3, disposed vertically upward from the ceiling so that any entrained matter, dirt and cinders would be deflected by the bafile 26 while the air currents are permitted to pass over the baflle toward the intake ends 25 located at the top of the air cleaner 24.

The exhaust or pressure side of the fan 21 is provided with a discharge conduit 27 which extends through the inner end wall 28 of the car and communicates with a chamber 29 arranged, for convenience in the upper part of the usual locker indicated at 30, in the one instance, and in the saloon, lavatory or dressosite side in the other instance, as shown in igure 2. The ehambegs 29 are each provided with a horizontally disposed baflle 31, more clearly shown in Figure 3, whereby the chamber is divided into upper and lower compartments; the upper compartment communicating with an air duct 32 arranged along the upper side of the car preferably intermediate of the outer wall 33 and the inner wall 34 and extending lengthwise of the car for substantially half the length thereof. The air duct 32, at suitable oints in'the car coincident with the upper ii therein, is provided with outlet openings as shown at 35 in Figures 2 and 4 and these openings are each provided with suitable sliding or controllable shutters 36 whereby either entirely shut ofi the inflow of fresh an or control the quantity to be admitted.

The lower compartment of the chamber 29" communicates with a duct 37 which is likewise disposed lengthwise of the car preferthrou hout substantially half its length an provi ed at points intermediate of the various berth compartments or seats 15 with a downwardly extending conduit as at 38 .through the inner side wall intermediate of the

windows

39, 39 where the openin is provided with a suitable controllable slide or shutter as at 40 so that the occupant or 0021632111135 of the lower berth may regulate the i ow of fresh air to the respective compartment or berth. I

It will be understood that each end of the car is similarly equipped with the inlet louvres in the doors of the vestibule, .the screened openings into the compartment above the ceil ing 19, air cleaners and baflies and pressure ed on opposite sides and that the resh'air ducts, similar to 32'and of the car extend lengthwise thereof a distanceslightly less than half the length and terminating in the compartment or berth adjacent to the last compartment or berth supplied by the air discharge erths posite end are likewise provided with the discharge openings with their controllable slides or shutters as heretofore described. In

other words, the car or sleeper is preferably equipped with four units of fresh air providing means so that the entire car or any portion thereof may be supplied.

In addition to the admission of fresh air, the deck of the car at points coincident with the usual vent openings generally indicated at 41 may be provided externally with a suitable housing in which an exhaust fan 43 is located; the exhaust fan or fans being operated by a suitable motor or motors controllable from a common point or switch by the car attendant.

In Figures 5 to 8, we illustrate the application of our improved system to a private car compartment wherein the deck of the car on one side is provided, with a housing 44 having

opposite end openings

44, 44, see Figure 7, provided by the curved partitions 44", which are arranged in spaced relation with each other and terminate short of the outer wall of the housing 44, to provide air passages, leading to the air cleaners 45, which are preferably of the centrifugal type similar to the air cleaners 24 heretofore described, The air cleaners 45'are connected by a suitable duct 46 with the suction side of the fan 47. The fan is provided with a discharge conduit 48 shown extending downwardly along one of the wallsof the con'ipartment and having a discharge opening 49 adjacent to the floor of the car, with the discharge opening provided with a suitable controlling shutter or slide as at 50 so that the admission or quantity of air to be admittedis under the control of the occupant.

The opposite side of the compartment is provided with the usual drop door 51 of the vent opening which communicates with a housin 52 arran ed on the roof of the car In Figures 9, 10 and 11, we illustrate the application of our invention to a railroad day coach wherein the door i the vestibule is likewise provided with the openings 18 arranged adjaccnt to the ceiling 19 of the vestibule; the latter being provided with the screened openings 20 as in the previously de-, scribed construction of thesleeper. The compartment above the ceiling 19 is likewise provided with the centrifugal air cleaners-24 having the two air admitting portions 25 While the bod of the air cleaner is provided with the con uit or duct 23 which communicates with the suction or intake side of the pressurefan 21; the latter being operated by a suitable motor as at 22. The exhaust or discharge end of the pressure fan is provided with a conduit 54: which extends through the end wall of the car and communicates with a conduit or duct 55 which continues or connects with the conduitor duct 56 extending along the sides of the car preferably adjacent to the floor. 'lhe'duct is also shown provided with a transversely disposed duct 5? extending along the bottom of the end wall 58 of the car and terminating adjacent to the inner door opening of the car. The

ducts

56 and 57 are shown as preferably built about the heating pipes of the car, so that the introduced fresh air may be tempered or heated before being discharged into the ear proper.

The ducts 56 are provided with short extensions or branches 59 which extend beneath the seats (it) of the car; the extensions or branches 59 preferably being tapered toward the free ends as shown in Figure 11; with the end of each branch 59 being provided with a controllable slide or shutter as at 61. The ducts 5? are also shown provided with controllable slides or shutters as at 62 in Figure 10.

With the discharge ends of the conduits or ducts providedwith the slides or shutters, the admission or quantity of air admission is under the control of the passenger or train operatives and'the entire car'or any portion thereof may be supplied with fresh air introduced from the car exterior. It will be understood that the day coach, like the sleeper construction previously described, is preferably provided with four units of air introducing means; with each unit serving a portion of one side of a car from one end thereof; the ducts 56 extending substantially half the length of the car as in the sleeper construction, so that each end of the car is served from its adjacent vestibule and unit.

As is apparent from the constructions shown and described, the air, before it is forced and admitted into the car, is caused to pass through a screen into the pressure fan holding compartment, where it also encounters a vertically disposed baflie extend ing to ashort distance removed from the top of the compartment, namely the roof of the car; the baflie being preferably of the construction more clearly shown in Figure 3,

where it is shown provided with a surrounding flange as at 26, against which cinders or other foreign matter entrained, which may have passed through the screen 20, will impinge and be caused to drop, while the air is allowed to flow across the top of the baflle on its way, to the air cleaners 24 which communicate with the intake or suction side of thepressure fans. Any entrained matter or particles entering the cleaners will be disment above the ceiling 19 in any suitable manner.

We. have illustrated adaptations of ourinvention to various types of cars and have described the same in terms employed merely as terms of description and not as terms of limitation as structural modifications are possible and may be made without, however, departing from the spirit of our invention.

\Vhat we claim is: 1. In a car ventilating system, the combination of a 'carprovided with a chamber adjacent the top thereof and having an inlet, car-doors provided with openings adjacent to the inlet of the chamber for receiving air from the car exterior, air cleaning means located in said chamber, pressure means adapted to receive the cleaned air from said cleaning means, a chamber connected with the discharge end of the pressure means,

a plurality of ducts connected with said chamber and extending to predetermined points in the car, and independently controlled means at the discharge ends of the ducts.

2. In a car ventilating system, the combination of the vestibule doors of the car provided with louvres adjacent to the tops of the doors, an air receiving chamber above the vestibule of the car, power operated air forcing means located in said chamber, air cleaning means at the intake end of said air forcing means, a chamber connected with the .discharge end of the air forcing means, and

air ducts leading from said last mentioned chamber to predetermined points in the car.

3. In a car ventilating system, the combinations of the vestibule doors of the car provided with air admitting openings adjacent to the tops of the doors, an air receiving chamber above the car vestibule, air forcing means located in said chamber, a baflle intermediate of the air forcing means and the air receiving end of said chamber, and means communicating with the discharge end of said air forcing means whereby the air is conveyed to predetermined points in the car.

4. In a car ventilating system of the character described the combination of 'a vestibule passenger car, a chamber a ove the ves tibule provided with air inlets in the bottom, air admitting openings in the vestibule doors of the car, air forcing means located in the chamber, air cleaning means in the chamber intermediate of the air forcing means and the air inlets of the chamber, and means for conveying the air from the air forcing means into the car interior.

\ JOHN W. BERNBAUM.

WILLIAM WRIGHT.

charged through the bottomof the cleaners and removed or conveyed from-the compart-