#VERTICAL ADJUSTABLE WINDOW SCREENS PDF#
#VERTICAL ADJUSTABLE WINDOW SCREENS WINDOWS#

This is important for if the Ventilator is reversed, the plug must be returned through the hole 4| as the compartment will then be in the room, and if the plug were not returned, it would be hanging out of the window. l0) to leave a hole only the size of the cord 39 so that cord 39 seals the hole and no space for leakage is left.

11) to permit the passing of the plug 42 through the hole 4l, and are moved together (Fig. To accomplish this, a small frame 43 is fastened to the innerface of wall I9 about the hole 4l and two small sliding doors 44 are positioned in the frame, each door 44 having a semicircular opening 45. Since the wire 39 will occupy the hole il it is desired to close this hole as much as possible to lmaintain the air tight condition of the ventilator. The electric cord 39 must enter the room for connection with the usual wall socket, not shown, and a rectangular hole 4l is provided in the wall lil' for this purpose, the hole 4l being just large enough for a small male plug t2' to pass through.

The filter is made of several layers of iine wire screen` The foam rubber substantially seals the venti'- later except for the hole l5, whereby all the air entering the room must be ltered. If it is desired to blow or draw the air out of the room, the entire ventilator can be reversed, placing the compartment in the room and removing the lter, or the motor can be reversed, if it is a reversible motor, the filter rst being removed. The fan is directed to blow cold or fresh air from the atmosphere into the room, the air passing through the iilter to the ian and being forced through the screen into the room.

F24F13/08- Air-flow control members, e.g.

F24F13/00- Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening.

F24F- AIR-CONDITIONING AIR-HUMIDIFICATION VENTILATION USE OF AIR CURRENTS FOR SCREENING.

F- MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING.

Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Gus J Martin filed Critical Gus J Martin Priority to US5039A priority Critical patent/US2524230A/en Application granted granted Critical Publication of US2524230A publication Critical patent/US2524230A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links

Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US5039A Inventor Gus J Martin Original Assignee Gus J Martin Priority date (The priority date is an assumption and is not a legal conclusion.

#VERTICAL ADJUSTABLE WINDOW SCREENS PDF#

Google Patents Adjustable screen ventilator for windowsĭownload PDF Info Publication number US2524230A US2524230A US5039A US503948A US2524230A US 2524230 A US2524230 A US 2524230A US 5039 A US5039 A US 5039A US 503948 A US503948 A US 503948A US 2524230 A US2524230 A US 2524230A Authority US United States Prior art keywords wall ventilator opening air main Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

#VERTICAL ADJUSTABLE WINDOW SCREENS WINDOWS#

Google Patents US2524230A - Adjustable screen ventilator for windows US2524230A - Adjustable screen ventilator for windows

Vertical adjustable window screens