WO2001032453A1 - Self-adjusting air outlet - Google Patents

Self-adjusting air outlet Download PDF

Info

Publication number
WO2001032453A1
WO2001032453A1 PCT/SE2000/002080 SE0002080W WO0132453A1 WO 2001032453 A1 WO2001032453 A1 WO 2001032453A1 SE 0002080 W SE0002080 W SE 0002080W WO 0132453 A1 WO0132453 A1 WO 0132453A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
hinged
airflow
devices
outlet opening
Prior art date
Application number
PCT/SE2000/002080
Other languages
French (fr)
Inventor
Christian Eklund
Anders Linden
Original Assignee
Saab Automobile Ab
Priority date (The priority date is an assumption and is not a legal conclusion. 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 Saab Automobile Ab filed Critical Saab Automobile Ab
Priority to AU13203/01A priority Critical patent/AU1320301A/en
Publication of WO2001032453A1 publication Critical patent/WO2001032453A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3407—Nozzles; Air-diffusers providing an air stream in a fixed direction, e.g. using a grid or porous panel

Definitions

  • the aim of the invention is to make possible improved climate comfort in a vehicle. Another aim is to achieve this by simple means.
  • the size of the outlet opening of the nozzle can automatically be adapted to suit the airflow which is required at that moment.
  • a large outlet opening for a small airflow and a small outlet opening for a large airflow are obtained automatically.
  • the hinged devices are intended to be pushed apart for a small airflow and held apart by means of spring devices which operate on each of the hinged devices.
  • Plate springs are advantageously used as the spring devices, which operate on the hinged device near its hinge point and which in addition are fastened to or rest against the wall of the nozzle.
  • the cross sectional shape of the nozzle can advantageously be rectangular in order for the components of the nozzle to have a simple shape.
  • Figure 1 - ' a longitudinal section through a nozzle according to the invention with a small airflow
  • Figure 3 - a view III - III in Figure 2.
  • a nozzle 1 shown in Figure 1 is intended to supply ventilating air to the interior 2 (not shown in further detail) of a motor vehicle.
  • the nozzle 1 is divergent and has an inlet 3 and an outlet 4 which discharges into the vehicle interior 2.
  • the inlet 3 supplies in a known way an airflow of a size suited to the conditions via an air duct (not shown here in greater detail) .
  • the airflow is small and diverges in a direction towards the outlet of the nozzle, so that a principally streamline flow is obtained along the walls of the nozzle. This provides a wide air pattern with low airspeed in the vehicle interior 2.
  • the nozzle 1 advantageously has a rectangular cross section, where two opposing walls 5 and 6 diverge from the inlet 3 to the outlet 4.
  • Two hinged devices 7 and 8 are each placed opposite a wall 5 and 6 respectively. These hinged devices 7 and 8 are mounted at one edge in such a way that they can pivot around their hinge point 9 and 10 respectively on the respective wall 5 and 6 and close to the inlet 3.
  • Both hinged devices 7 and 8 are shaped as a curved plate, where the curve has been selected to provide a good flow pattern, with principally streamline flow in various situations.
  • the hinged devices 7 and 8 are operated on by at least one 4 spring device 11 and 12 respectively, each so that they are held in a position apart and principally lying along their respective wall 5 or 6.
  • the spring devices 11 and 12 can each advantageously consist of one or more plate springs which are attached to the nozzle walls and are in contact with or attached to the respective hinged device.
  • the hinged devices 7 and 8 will automatically adopt a position between the extreme positions shown, adapted to the size of the airflow, so that a good match is obtained automatically between the size of the airflow and the effective size of the outlet.
  • the effective size of the outlet of the nozzle can thus 5 vary between a maximum value for a small airflow and a minimum value for a large airflow.
  • the hinied devices 7 and 8 have been shown here as relatively thin, curved plates, but it is also possible to choose other embodiments.
  • the hinged devices can consist of relatively thick bodies which can be at least partly pivoted into recesses in the walls of the nozzle. It is, however, important that the surfaces of both hinged devices which face each other have a shape which is suitable for the purpose as far as flow is concerned in order to provide a high level of efficiency. It is also possible to divide up each hinged device into several smaller units.
  • any swivelling devices of the type which are normally found at the outlet 4 of a ventilation nozzle intended for use in the interior of a vehicle for changing the direction of the airflow from the nozzle if so required.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Flow Control Members (AREA)

Abstract

A nozzle (1) for the supply of ventilating air to the interior (2) of a vehicle is divergent and is provided with at least two hinged devices (7, 8) mounted in such a way that they can pivot, which are each mounted at one edge at a hinge point (9, 10) near the inlet (3) of the nozzle and extend in the direction of the outlet (4) of the nozzle. The hinged devices are arranged to be pivoted apart for a small airflow in order to achieve a maximum outlet opening and to be pivoted towards each other for a large airflow in order to achieve a small outlet opening. As the hinged devices are spring-loaded, the size of the outlet opening is changed automatically as a function of the size of the airflow.

Description

2
Aim of the invention
The aim of the invention is to make possible improved climate comfort in a vehicle. Another aim is to achieve this by simple means.
Description of the invention
The aim of the invention is achieved by means of a nozzle which has the characteristics described in Patent Claim 1.
By means of pivoting hinged devices the size of the outlet opening of the nozzle can automatically be adapted to suit the airflow which is required at that moment. By this means a large outlet opening for a small airflow and a small outlet opening for a large airflow are obtained automatically.
The hinged devices are intended to be pushed apart for a small airflow and held apart by means of spring devices which operate on each of the hinged devices. Plate springs are advantageously used as the spring devices, which operate on the hinged device near its hinge point and which in addition are fastened to or rest against the wall of the nozzle. The cross sectional shape of the nozzle can advantageously be rectangular in order for the components of the nozzle to have a simple shape.
Further characteristics and advantages of the invention are apparent from the following description and patent claims .
In the following the invention will be described in greater detail utilizing an example of an embodiment shown in the attached figures. 3
Description of the figures
The figures show:
Figure 1 - ' a longitudinal section through a nozzle according to the invention with a small airflow,
Figure 2 - the nozzle in Figure 1, but with a large airflow, and
Figure 3 - a view III - III in Figure 2.
Description of preferred embodiments
A nozzle 1 shown in Figure 1 is intended to supply ventilating air to the interior 2 (not shown in further detail) of a motor vehicle. The nozzle 1 is divergent and has an inlet 3 and an outlet 4 which discharges into the vehicle interior 2. The inlet 3 supplies in a known way an airflow of a size suited to the conditions via an air duct (not shown here in greater detail) . In the position shown the airflow is small and diverges in a direction towards the outlet of the nozzle, so that a principally streamline flow is obtained along the walls of the nozzle. This provides a wide air pattern with low airspeed in the vehicle interior 2.
The nozzle 1 advantageously has a rectangular cross section, where two opposing walls 5 and 6 diverge from the inlet 3 to the outlet 4. Two hinged devices 7 and 8 are each placed opposite a wall 5 and 6 respectively. These hinged devices 7 and 8 are mounted at one edge in such a way that they can pivot around their hinge point 9 and 10 respectively on the respective wall 5 and 6 and close to the inlet 3. Both hinged devices 7 and 8 are shaped as a curved plate, where the curve has been selected to provide a good flow pattern, with principally streamline flow in various situations. The hinged devices 7 and 8 are operated on by at least one 4 spring device 11 and 12 respectively, each so that they are held in a position apart and principally lying along their respective wall 5 or 6.
In Figures 2' and 3 the airflow and thereby the airspeed is increased in the inlet 3. The hinged devices 7 and 8 are now brought into a position in which they are pivoted together and compress the airflow through the nozzle 1, which now has an effective outlet which is essentially smaller than in Figure 1. This is made possible by the force of the spring devices 11 and 12 being arranged so that in combination with, the shape of the hinged devices and the relevant airspeed it causes such a large pivoting of the hinged devices 7 and 8 that they are held essentially parallel and give the nozzle 1 an effective outlet which is essentially the same size as the inlet 3.
The spring devices 11 and 12 can each advantageously consist of one or more plate springs which are attached to the nozzle walls and are in contact with or attached to the respective hinged device.
It is of course also possible to use other types of spring device and to position them differently. It is, however, important that the spring force permits sufficient pivoting of the hinged devices 7 and 8 for a large airflow, while at the same time it is able to pivot the hinged devices apart sufficiently for a small airflow.
For other sizes of airflow than those shown in Figures 1 and 2, the hinged devices 7 and 8 will automatically adopt a position between the extreme positions shown, adapted to the size of the airflow, so that a good match is obtained automatically between the size of the airflow and the effective size of the outlet. The effective size of the outlet of the nozzle can thus 5 vary between a maximum value for a small airflow and a minimum value for a large airflow.
The hinied devices 7 and 8 have been shown here as relatively thin, curved plates, but it is also possible to choose other embodiments. Thus, for example, the hinged devices can consist of relatively thick bodies which can be at least partly pivoted into recesses in the walls of the nozzle. It is, however, important that the surfaces of both hinged devices which face each other have a shape which is suitable for the purpose as far as flow is concerned in order to provide a high level of efficiency. It is also possible to divide up each hinged device into several smaller units.
For the sake of simplicity we have not shown any swivelling devices of the type which are normally found at the outlet 4 of a ventilation nozzle intended for use in the interior of a vehicle for changing the direction of the airflow from the nozzle if so required.

Claims

6Patent claims
1. Nozzle for the supply of ventilating air to the interior of a vehicle, intended to discharge into the vehicle interior (2) and to be connected to an air duct through which the required amount of air can be supplied, characterized in that the nozzle (1) is divergent and is provided with at least two hinged devices (7,8) mounted in such a way that they can pivot, which are each mounted at one edge at their hinge point (9,10) near the inlet (3) of the nozzle and extend downstream in the direction of the outlet (4) of the nozzle, and in that these hinged devices (7,8) are arranged for a small airflow through the nozzle to be pivoted apart towards the walls (5,6) of the nozzle in order to achieve a maximum outlet opening and for a large airflow through the nozzle to be pivoted towards each other in order to compress the air stream through the nozzle and form a minimum outlet opening, essentially smaller than for a small airflow.
2. Nozzle according to Claim 1, characterized in that it has a rectangular cross section, and in that the hinged devices (7,8) are arranged on two opposite walls (5,6) in the nozzle.
3. Nozzle according to Claim 2, characterized in that the surfaces of the hinged devices (7,8) which face each other are convex.
4. Nozzle according to any of Claims 1-3, characterized in that each hinged device (7,8) is operated on by a spring device (11,12) which urges the hinged device into a pivoted-apart position for maximum outlet opening.
5. Nozzle according to Claim 4, characterized in that the spring devices (11,12) are arranged in such a way that for maximum flow they permit the hinged devices 7 (7,8) to be pivoted in a direction towards each other to create a predetermined minimum outlet opening.
6. Nozzle according to Claim 4 or 5, characterized in that the spring device (11,12) for each hinged device
(7,8) consists of at least one plate spring arranged upstream of the hinge point (9,10) .
7. Nozzle according to any of the preceding claims, characterized in that the shape of the hinged devices
(7,8) is so adapted to the airflow which arises that an essentially streamline flow is achieved along the hinged device.
8. Nozzle according to any of the preceding claims, characterized in that the effective size of its outlet is automatically variable as a function of the size of the airflow, between a maximum value for small airflow and a minimum value for large airflow.
PCT/SE2000/002080 1999-11-01 2000-10-25 Self-adjusting air outlet WO2001032453A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU13203/01A AU1320301A (en) 1999-11-01 2000-10-25 Self-adjusting air outlet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9903947-1 1999-11-01
SE9903947A SE515309C2 (en) 1999-11-01 1999-11-01 Nozzle for supplying ventilation air in a vehicle

Publications (1)

Publication Number Publication Date
WO2001032453A1 true WO2001032453A1 (en) 2001-05-10

Family

ID=20417566

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2000/002080 WO2001032453A1 (en) 1999-11-01 2000-10-25 Self-adjusting air outlet

Country Status (3)

Country Link
AU (1) AU1320301A (en)
SE (1) SE515309C2 (en)
WO (1) WO2001032453A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114605A1 (en) * 2001-03-23 2002-09-26 Behr Gmbh & Co Flow outlet device, in particular for a vehicle interior ventilation system
DE10202925A1 (en) * 2002-01-25 2003-07-31 Opel Adam Ag Air nozzle for ventilation of an interior of a motor vehicle
US8360336B2 (en) 2008-09-15 2013-01-29 Minivator Limited Rack and method of forming the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60244618A (en) * 1984-05-18 1985-12-04 Ansei Kogyo:Kk Blow port in automobile
EP0257500A2 (en) * 1986-08-21 1988-03-02 Gebr. Happich GmbH Air directing device
FR2710880A1 (en) * 1993-10-07 1995-04-14 Valeo Thermique Habitacle Lower nozzle for a heating/ventilation and/or air-conditioning appliance for the passenger compartment (cockpit) of a motor vehicle
DE19739652A1 (en) * 1997-09-10 1999-03-11 Behr Gmbh & Co Vehicle ventilation system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60244618A (en) * 1984-05-18 1985-12-04 Ansei Kogyo:Kk Blow port in automobile
EP0257500A2 (en) * 1986-08-21 1988-03-02 Gebr. Happich GmbH Air directing device
FR2710880A1 (en) * 1993-10-07 1995-04-14 Valeo Thermique Habitacle Lower nozzle for a heating/ventilation and/or air-conditioning appliance for the passenger compartment (cockpit) of a motor vehicle
DE19739652A1 (en) * 1997-09-10 1999-03-11 Behr Gmbh & Co Vehicle ventilation system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114605A1 (en) * 2001-03-23 2002-09-26 Behr Gmbh & Co Flow outlet device, in particular for a vehicle interior ventilation system
DE10202925A1 (en) * 2002-01-25 2003-07-31 Opel Adam Ag Air nozzle for ventilation of an interior of a motor vehicle
EP1331117A3 (en) * 2002-01-25 2004-01-28 Adam Opel Ag Air nozzle for ventilating the interior of a motor vehicle
US8360336B2 (en) 2008-09-15 2013-01-29 Minivator Limited Rack and method of forming the same

Also Published As

Publication number Publication date
SE515309C2 (en) 2001-07-09
SE9903947D0 (en) 1999-11-01
AU1320301A (en) 2001-05-14
SE9903947L (en) 2001-05-02

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