Home Ventilation System
Patent Information
- Application Number
- AU2025283648
- Authority / Receiving Office
- AU · AU
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-01-08
- Filing Date
- 2025-12-22
- Publication Date
- 2026-07-23
Smart Images

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Abstract
Claims
1. A ventilation system for a substantially airtight building, the building having a at least one extractor vent, wherein the at least one extractor vent is connected by ducting to a single egress point, the ducting associated with the at least one extractor vent having an electrically controlled valve configured to open or close communication between the extractor vent and the egress point, the egress point having an electrically controlled extractor fan mounted on the exterior of the building, the at least one extractor vent having an associated user input mechanism, the user input mechanism comprising means for operatively connecting the user input mechanism with the corresponding electrically controlled valve and extractor fan, such that when the user input mechanism is activated, the corresponding electrically controlled valve opens, and the extractor fan operates to withdrawn air from the extractor vent; and when the user input mechanism is deactivated, the corresponding electrically controlled valve closes, and the extractor fan ceases to operate, wherein the user input mechanism is operatively connected to the electrically controlled valve and extractor fan through a controller .
2. A ventilation system as claimed in claim 1, wherein the controller is preferably installed inside the building and has means for operating and connecting to the extractor fan.
3. A ventilation system as claimed in claim 1, wherein the controller includes a run on timer to allow the extractor fan to continue to operate after the user input mechanism is deactivated.
4. A ventilation system as claimed in claim 1, wherein the controller is capable of receiving a signal from the corresponding user input mechanism and is configured to control the speed of the extractor fan.
5. A ventilation system as claimed in claim 1, wherein the user input mechanism comprises at least one light switch or at least one sensor to receive the input.
6. The ventilation system of claim 5, wherein the at least one light switch comprises one or more light switches.2025283648 22 Dec 20257. A ventilation system as claimed in claim 1, wherein the user input mechanism comprises one or more light switches, the speed of the extractor fan is proportional to the number of light switches that are activated.
8. A ventilation system as claimed in claim 1, further comprises a shutter located at or near the egress point to block backflow when the extractor fan is not operating.
9. The ventilation system of claim 8, wherein the shutter located at or near the egress point is operated through controller.
10. The ventilation system of claim 8, when the user input mechanism is activated, the shutter located at or near the egress point open and when the user input mechanism is deactivated, the shutter located at or near the egress point closes preventing backflow.
11. A ventilation system of claim 1, the building having at least one ingress point capable of allowing air to be drawn into the substantially airtight building, the at least one ingress point being controlled by an electrically controlled valve capable of opening or closing the ingress point in response to a control signal received by the controller.
12. A ventilation system of claim 11, wherein the control signal is provided by the user input mechanism to the controller.
13. A ventilation system of claim 11, wherein the ingress point comprises an aperture of about 200 mm in diameter.
14. A ventilation system of claim 11, wherein the ingress point further comprises an electrically controlled fan configured to provide air into the substantially airtight building.
15. A ventilation system of claim 11, wherein the user input mechanism is operatively connected to the fan configured to provide air into the substantially airtight building through a controller.
16. A ventilation system of claim 11, wherein the controller includes a run on timer to allow the fan configured to provide air into the substantially airtight building after the user input mechanism is deactivated.
17. A ventilation system of claim 11, further comprises a mesh located at the ingress point.2025283648 22 Dec 202518. A ventilation system of claim 11, wherein the user input mechanism is activated, it sends a control signal to the controller to simultaneously operate electronically controllable valves and fans located at the egress point as well as the ingress point.
19. A ventilation system for a substantially airtight kitchen, the kitchen having an at least one extractor vent located in the rangehood wherein the at least one extractor vent is connected by ducting to a single egress point, the ducting associated with the at least one extractor vent having an electrically controlled valve configured to open or close communication between the extractor vent and the egress point, the egress point having an electrically controlled extractor fan mounted on the exterior of the building, the at least one extractor vent having an associated user input mechanism, the user input mechanism comprising means for operatively connecting the user input mechanism with the corresponding electrically controlled valve and extractor fan, such that when the user input mechanism is activated, the corresponding electrically controlled valve opens, and the extractor fan operates to withdrawn air from the extractor vent; and when the user input mechanism is deactivated, the corresponding electrically controlled valve closes, and the extractor fan ceases to operate, wherein the user input mechanism is operatively connected to the electrically controlled valve and extractor fan through a controller.
20. A ventilation system as claimed in claim 19, wherein the user input mechanism is in the rangehood.
21. A ventilation system as claimed in claim 19, wherein the kitchen has at least one ingress point capable of allowing air to be drawn into the substantially airtight kitchen, the at least one ingress point being controlled by an electrically controlled valve capable of opening or closing the ingress point in response to a control signal received by the controller.
22. The ventilation system of claim 21, wherein the control signal is provided by the user input mechanism to the controller.
23. The ventilation system of claim 21, the ingress point further comprises an electrically controlled fan configured to provide air into the substantially airtight kitchen.2025283648 22 Dec 202524. The ventilation system of claim 21, wherein the user input mechanism is operatively connected to the fan, which is configured to provide air into the substantially airtight kitchen through a controller.
25. The ventilation system of claim 21, ingress point further comprises a mesh.
26. The ventilation system of claim 21, wherein the user input mechanism is activated, it sends a control signal to the controller to simultaneously operate electronically controllable valves and fans located at the egress point as well as the ingress point in the kitchen.
27. The ventilation system of claim 21, wherein the controller includes a run on timer to allow the electronically controllable valves and fans located at the egress point as well as the ingress point operate in the kitchen.
28. A ventilation system for a substantially airtight building, the building having a plurality of extractor vents, wherein each extractor vent is connected by ducting to a single egress point, the ducting associated with each extractor vent having an electrically controlled valve configured to open or close communication between the extractor vent and the egress point, the egress point having an electrically controlled extractor fan mounted on the exterior of the building, the each extractor vent having an associated user input mechanism, the user input mechanism comprising means for operatively connecting the user input mechanism with the corresponding electrically controlled valve and extractor fan, such that when the user input mechanism is activated, the corresponding electrically controlled valve opens, and the extractor fan operates to withdraw air from the extractor vent; and when the user input mechanism is deactivated, the corresponding electrically controlled valve closes, and the extractor fan ceases to operate, wherein the user input mechanism is operatively connected to the electrically controlled valve and extractor fan through a controller .
29. A ventilation system of claim 28, wherein, the building has at least one ingress point capable of allowing air to be drawn into the substantially airtight building, the at least one ingress point being controlled by an electrically controlled valve capable of opening or closing the ingress point in response to a control signal.
30. A ventilation system of claim 29, wherein the control signal is provided by the user input mechanism to the controller.2025283648 22 Dec 202531. A ventilation system of claim 28, wherein the at least one extractor vent is associated with a laundry area in the substantially airtight building, which further comprises a current sensor configured to detect when the washing machine or dryer is operating, such that activation of the extractor vent and the extractor fan occurs upon detection of current drawn from the washing machine or dryer irrespective of whether a user input mechanism in the laundry area is activated32. A ventilation system of claim 28, wherein activation of a user input mechanism associated with a particular room in the substantially airtight building causes: (i) the electrically controlled valve in the ducting between that room’s extractor vent and the egress point to open;(ii) the extractor fan to operate to withdraw air from the extractor vent;(iii) the shutter at the egress point to open in response to the control signal generated by the user input mechanism;wherein the extractor fan operates preferably at its lowest speed setting upon initial activation;and wherein the controller simultaneously signals the ingress point to open its associated ingress valve to allow air to enter the room.
33. The ventilation system of claim 32, wherein, when a user input mechanism in a second room is activated while the extractor fan is already operating, the electrically controlled valve associated with the second extractor vent opens, and the activation signal causes the controller to instruct the extractor fan to increase its operating speed and thereby increasing the volume of air extracted from the building.
34. The ventilation system of claim 32 wherein, when additional user input mechanisms in further rooms are activated, the extractor fan increases its speed further, as required, to accommodate the additional load and extract air and odours from each room in which the user input mechanism has been activated.PIPERS IPAttorneys for the ApplicantSCHWEIGEN PTY LTD
