Processing

Please wait...

Settings

Settings

Goto Application

1. WO1992016799 - PERSONAL ENVIRONMENT SYSTEM

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

Claims

1. A personal environment system for creating a user- definable local environment within a localized zone in an ambient space, comprising:
a modular housing mountable in said localized zone and having an air inlet, an air outlet incorporating a diffuser for distributing conditioned air into said localized zone, an air flow channel between said air inlet and said air outlet, and a channel for a thermal fluid for supplying or carrying away heat;
blower means for causing air to flow through said air channel;
a heat exchanger between said air flow channel and said thermal fluid channel and including a
thermoelectric heat pump to effect transfer of heat between air flowing through said air flow channel and said thermal fluid channel; and
user-controlled means for setting the amount of heating or cooling applied by said heat pump to air flowing through said air channel to permit the user to control the air temperature within the localized zone according to personal comfort requirements
independently of the general air temperature of the ambient space.

2. A personal environment system as claimed in claim 1, wherein said heat exchanger comprises an elongate hollow block of polygonal cross section fitted within the housing and having a set of outwardly protruding, longitudinal parallel fins on a lateral face thereof, adjacent pairs of said fins defining between them portions of said air flow channel, and said
thermoelectric heat pump comprising flat thermoelectric cells mounted on said lateral face between said face and said fins.

SUBSTITUTE SHEET

3. A personal environment system as claimed in claim 2, wherein said housing and said block are in the form of triangular prisms, with said block fitted inside said housing and rotationally offset such that the flat walls of the block face the apices of the housing.

4. A personal environment system as claimed in claim 1, wherein said heat exchanger comprises a massive block having a median plate with said thermoelectric heat pump mounted thereon, and sets of outwardly protruding parallel fins on respective opposite lateral faces of said plate, adjacent pairs of said fins on one side of said plate defining between them portions of said air flow channel, and adjacent pairs of said fins on the other side of said plate defining between them portions of said thermal fluid flow channel.

5 A personal environment system as claimed in claim 1, wherein thermoelectric heat pump comprises a
plurality of flat thermoelectric cells mounted on said median plate.

6. A personal environment system as claimed in claim 1, comprising means for sensing the presence of an occupant in said localized zone, and means for
activating said blower means in response to a signal from said sensing means indicative of the presence of an occupant in said localized zone and deactivating said blower means in the absence of a said signal.

7. A personal environment system as claimed in claim 6, wherein said sensing means comprises an infrared sensor.

8. A personal environment system as claimed in claim 6, further comprising memory means for storing an occupant's preferred control setting, whereby on the

SUBSTITUTE SHEET return of an occupant to the localized zone the system is automatically activated at the occupant's preferred setting.

9. A personal environment system as claimed in claim 1, further comprising a light source of changeable

colour and means for changing the colour of said light source in accordance with the state of the
thermoelectric heat pump.

10. A personal environment system as claimed in claim 9, wherein the colour of said light source gradually changes from blue when said heat pump is in a cooling state to red when said heat pump is in a heating state.

11. A personal environment system as claimed in any one of claims 1 to 10, wherein said housing comprises an upright desk-mountable, prismatic body with an inclined truncated top defining said air outlet for directing air into the localized zone.

12. A personal environment system as claimed in claim

11, wherein said truncated top comprises an inclined triangular plate for egress of air therefrom with a plurality holes formed therein.

14. A personal environment system as claimed in claim

12, wherein said truncated top comprises a plate having a plurality of parallel slits therein arranged to direct outflowing air in divergent directions.

15. A personal environment system as claimed in claim 12, further comprising an lamp mounted on an
articulated arm, said lamp having a prismatic shape complementary to the top of prismatic body so that in the folded position of the arm the lamp mates with the top of said prismatic body.

SUBSTITUTE SHEET

16. A personal environment system as claimed in claim 1, which is in the form of a wall-mountable unit arranged to draw in ambient air and direct said air after conditioning into said localized zone.

17. A personal environment system as claimed in claim 16, wherein air flowing into said air inlet is divided into a portion flowing through said air channel and a portion flowing through said thermal channel, the portion flowing through said thermal channel is discharged on side of the unit away from the localized zone, and the portion flowing through the air channel is directed through said air outlet back toward the localized zone.

18. A personal environment system as claimed in claim 17, wherein the blower means is arranged centrally of the unit so as to draw in air from directly from a region in front of an occupant of the localized zone.

19. A personal environment system as claimed in claim 1, incorporating a filter in the air flow path to remove particulate and other contaminants therefrom.

20. A personal environment system as claimed in claim

18, further comprising a floor-mountable radiant panel for directing infrared radiation toward the legs of a seated occupant of the localized zone.

21. A personal environment system as claimed in claim

19, further comprising means for creating
environmentally pleasing sounds.

22. A personal environment system as claimed in claim

21. wherein said sounds comprise white noise.

SUBSTITUTE SHEET

23. A personal environment system as claimed in claim 1, further comprising means for providing lighting at a user settable level.

24. A personal environment system as claimed in any one of claims 1 to 23, further comprising filter means in said housing for removing particulate and other
contaminants from air flowing through said air channel.

25. A wall-mountable local air distribution unit, comprising an air intake, a blower for drawing ambient air from a room through said air intake and causing it to flow through said unit, air outlet means for
directing conditioned air into a localized air
conditioned zone in the vicinity of said air outlet, air conditioning means between said air intake and said air outlet means, control means for permitting personal control of said air conditioning means, and a discharge outlet directed away from said localized air
conditioned zone for a heat transfer medium flowing through said air conditioning means.

26. A wall-mountable local air distribution unit as claimed in claim 25, wherein said air conditioning means comprises a heat pump comprising thermoelectric elements for transferring heat from or to air flowing to said air outlet.

27. A wall-mountable local air distribution unit as claimed in claim 25, wherein the ambient air drawn from said air intake is divided into two portions, one portion flowing to said air outlet means and providing conditioned air and the other portion flowing to said discharge outlet and providing said heat transfer medium.

SUBSTITUTE SHEET

28. A wall-mountable local air distribution unit as claimed in claim 25, further comprising a control panel on the front thereof to permit the user to control the heating or cooling effected by said air conditioning means and the speed of said blower.

29. A wall-mountable local air distribution unit as claimed in claim 25, wherein said air outlet means comprises a directable outlet nozzle for selectively directing air in a desired direction.

30. A wall-mountable local air distribution unit as claimed in claim 25, wherein said air intake is mounted in the centre of a grill assembly, and said air outlet means comprises directable nozzle assemblies on either side thereof.

31. A wall-mountable local air distribution unit as claimed in any one of claims 25 to 30, further
comprising filter means for removing particulate and other contaminants from air flowing through said air channel.

SUBSTITUTE SHEET