US1886313A - Ventilating apparatus - Google Patents

Ventilating apparatus Download PDF

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Publication number
US1886313A
US1886313A US538717A US53871731A US1886313A US 1886313 A US1886313 A US 1886313A US 538717 A US538717 A US 538717A US 53871731 A US53871731 A US 53871731A US 1886313 A US1886313 A US 1886313A
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United States
Prior art keywords
air
disc
ventilating apparatus
pillar
ball
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Expired - Lifetime
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US538717A
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Stewart Alexander William
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/065—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as cylindrical or spherical bodies which are rotatable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D2013/003—Cabin ventilation nozzles

Definitions

  • This invention relates to improvements in ventilating apparatus, being particularly concerned with an improved construction of air outlet device for discharging directly into the atmosphere a stream of air at relatively spon ing to the pressure within the air duct.
  • the present invention provides an improved device which permit of high velocity delivery with directional control as well as low velocity delivery of the air delivered.
  • Fig. 1 of the accompanying drawings indi cates diagrammatically the form of a free air jet from a directional air outlet device at typical velocity.
  • Fig. 2 is a similar view showing how the air jet is modified by disposition of a fiat disc in front of the outlet of the device.
  • Fig. 3 is a similar view showing the efi'ect of increasing the distance from the device of the flat disc in question.
  • Figs. 4 and 5 each show in vertical section two air outlet devices with deflectors accordin to the invention.
  • ig. 6 is a vertical section of a modification.
  • Fig. 7 is a plan of this modification.
  • the air outlet device is fitted to an air box or air duct, as disclosed, for example, in the specification of U. S. Letters Patent 1,559,057, dated October 27, 1925.
  • a pill r 4 to which is fixed a disc 5 of suitable diameter suitably spaced from the discharge end of the passage 3 and constituting a deflector or diffuser for the air stream.
  • the pillar 4 may be rotatable in a bearing presented by a clamp 6 surrounding an extension of the ball; or the disc may be rotatable around the axis of the pillar, so that the disc ma be swung into a position clear of the jet 0 air discharged through the passage 3.
  • the pillar may be screw-threaded into the clamp or other provision may be made for adjusting the distance of the disc from the outlet to give the desired conditions of air delivery.
  • the disc is of compound structure comprising a circular plate covered with a ply of felt, velvet or other soft fabric for the purpose-of reducing or eliminating the noise of impact of air.
  • the socket 1 has a cup-like extension 8 acting as a valve which in a given position of the ball cuts oil the air discharge through the air passage 3.
  • volumetric control oi the air delivery is effected by adjustment of the valve 9 in the form of a spherical segment movable about the axis of the hand wheel 10.
  • an air outlet device comprising, in combination, a ball socket, a ball member penetrated by an air pascarrying the disc sageway and universally adjustable in said socket, a clamp engaging said ball member, a pillar fittted to said clamp, said pillar being disposed external to and parallel with said passageway in all positions of adjustment of said ball member in said socket, and
  • a fiat deflector rotatable about the axis of said pillar to occupy a position intercepting the stream of air delivered through said passageway and rotatable to occupy a position out of re ister with said assageway.

Description

Nov. 1, 1932.% A. w. STEWART 1,886,313
5 VENTILATING APPARATUS Filed May 20, 1931 3 Sheets-Sheet l 1 a y, M
'3 Sheets-Sheet 2 Filed May 20, 1931 FIG. 5.
Nov. 1, 1932.
A. W. STEWART VENTILATING APPARATUS Filed May 20, 193],
FIG]
3 Sheets-Sme t 3 Patented Nov. 1, 1932 UNITED STATES- PATENTjOFFlCE ALEXANDER- WILLIAM 'fsrEwAit'r, or GLASGOW, soornANn.
VENTILATING APPARATUS Application filed m 20, 1931, Serial No. 538,717,1ind in Great imam "June 12, ieao.
This invention relates to improvements in ventilating apparatus, being particularly concerned with an improved construction of air outlet device for discharging directly into the atmosphere a stream of air at relatively spon ing to the pressure within the air duct.
In warm weather it may be convenient to deliver the airstream at high velocity to pro.- duce the effect of a punkah or of a propeller fan, it being understood that at all times the supply of fresh air into a compartment or the like is desirable in that it prevents stagnation or temperature stratification in the space ventilated. In certain circumstances, how- 25 ever, high velocity of delivery of the air may not be desirable.
The present invention provides an improved device which permit of high velocity delivery with directional control as well as low velocity delivery of the air delivered.
Fig. 1 of the accompanying drawings indi cates diagrammatically the form of a free air jet from a directional air outlet device at typical velocity.
Fig. 2 is a similar view showing how the air jet is modified by disposition of a fiat disc in front of the outlet of the device.
Fig. 3 is a similar view showing the efi'ect of increasing the distance from the device of the flat disc in question.
Figs. 4 and 5 each show in vertical section two air outlet devices with deflectors accordin to the invention.
ig. 6 is a vertical section of a modification.
Fig. 7 is a plan of this modification.
It is to be understood that the air outlet device is fitted to an air box or air duct, as disclosed, for example, in the specification of U. S. Letters Patent 1,559,057, dated October 27, 1925.
"of theaxis of the air passage 3 and parallel thereto -s fixed to the outer face of the ball 2 a pill r 4 to which is fixed a disc 5 of suitable diameter suitably spaced from the discharge end of the passage 3 and constituting a deflector or diffuser for the air stream. The pillar 4 may be rotatable in a bearing presented by a clamp 6 surrounding an extension of the ball; or the disc may be rotatable around the axis of the pillar, so that the disc ma be swung into a position clear of the jet 0 air discharged through the passage 3.
In lieu of the fitting illustrated the pillar. may be screw-threaded into the clamp or other provision may be made for adjusting the distance of the disc from the outlet to give the desired conditions of air delivery.
As shown, the disc is of compound structure comprisinga circular plate covered with a ply of felt, velvet or other soft fabric for the purpose-of reducing or eliminating the noise of impact of air.
It will be observed that the socket 1 has a cup-like extension 8 acting as a valve which in a given position of the ball cuts oil the air discharge through the air passage 3. 8
In the modified construction shown in ver tical section in Fig. 5, which is otherwise similar to that shown in Fig. 4, volumetric control oi the air delivery is effected by adjustment of the valve 9 in the form of a spherical segment movable about the axis of the hand wheel 10.
With the disposition of the pillar 4 eccentric to and parallel with the passageway the adjustment of the disc by the occupant of the compartment being ventilated can be readily effected.
In the further modified construction shown in vertical section and in. plan in Figs. 6 and 106 7, respectively the pillar 4' 5' is fitted to t e socket 1'.
What I claim is In ventilating apparatus, an air outlet device comprising, in combination, a ball socket, a ball member penetrated by an air pascarrying the disc sageway and universally adjustable in said socket, a clamp engaging said ball member, a pillar fittted to said clamp, said pillar being disposed external to and parallel with said passageway in all positions of adjustment of said ball member in said socket, and
a fiat deflector rotatable about the axis of said pillar to occupy a position intercepting the stream of air delivered through said passageway and rotatable to occupy a position out of re ister with said assageway.
n testimony w ereof I have signed my name to this specification.
ALEXANDER WILLIAM STEWART.
US538717A 1930-06-12 1931-05-20 Ventilating apparatus Expired - Lifetime US1886313A (en)

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GB1886313X 1930-06-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433981A (en) * 1944-04-22 1948-01-06 Everett S Buck Ventilating air distributor
US2470519A (en) * 1946-09-13 1949-05-17 Anemostat Corp America Nozzle
US2523933A (en) * 1944-10-18 1950-09-26 Axia Fans Ltd Ventilating system
US2528130A (en) * 1946-03-28 1950-10-31 Svenska Flaektfabriken Ab Device for blowing air into a room
US2755729A (en) * 1953-02-18 1956-07-24 Scottish Aluminum Ware Ltd Ventilation devices or louvers
DE3503599A1 (en) * 1984-01-14 1986-08-07 Siegenia-Frank Kg, 5900 Siegen Ventilation device for rooms

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433981A (en) * 1944-04-22 1948-01-06 Everett S Buck Ventilating air distributor
US2523933A (en) * 1944-10-18 1950-09-26 Axia Fans Ltd Ventilating system
US2528130A (en) * 1946-03-28 1950-10-31 Svenska Flaektfabriken Ab Device for blowing air into a room
US2470519A (en) * 1946-09-13 1949-05-17 Anemostat Corp America Nozzle
US2755729A (en) * 1953-02-18 1956-07-24 Scottish Aluminum Ware Ltd Ventilation devices or louvers
DE3503599A1 (en) * 1984-01-14 1986-08-07 Siegenia-Frank Kg, 5900 Siegen Ventilation device for rooms

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