IP Library Granted Patent US 11,519,806
Granted Patent B2
US 11,519,806 · App. 17/108,750 · Granted Dec 6, 2022

System and method for indicating air pressure within an enclosed space

Inventors: Mark A. Thoni (Pewaukee, WI); Ryan J. Bykowski (South Milwaukee, WI)
Assignee: Johnson Controls Tyco IP Holdings LLP
G01L19/12G01L7/086G01L13/025
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Quick Facts
Patent No.
US 11,519,806
App. No.
17/108,750
Granted
Dec 6, 2022
Kind
B2
Abstract

A system and method for sensing and indicating air pressure within an enclosed space is described. The system comprises a pressure sensing device and pressure indicator further comprising a housing enabled to house a plurality of electronic devices and having an opening, an elastomeric membrane covering the opening of the housing and capable of flexing inwards and outwards, a light emitting device to provide an illumination and a projector for projecting a positive pressure symbol and a negative pressure symbol. The elastomeric membrane flexes inwards along with a representation of the positive pressure symbol with an illumination of a first color when the pressure within the enclosed space is positive and the elastomeric membrane flexes outwards along with a representation of the negative pressure symbol with the illumination of a second color when the pressure within the enclosed space is negative.

Claims (36)

1. A system for sensing air pressure and indication of the air pressure within an enclosed space, the system comprising:

a housing having an opening;

an elastomeric membrane covering the opening of the housing and capable of flexing inwards and outwards during a pressure change of the enclosed space;

a light source disposed within the housing to provide an illumination indicating a positive pressure with a first color and indicating a negative pressure with a second color;

a projector housed within the housing for projecting a positive pressure symbol and a negative pressure symbol;

wherein the elastomeric membrane flexes inwards along with a representation of the positive pressure symbol with the illumination of the first color when the pressure within the enclosed space is positive and the elastomeric membrane flexes outwards along with a representation of the negative pressure symbol with the illumination of the second color when the pressure within the enclosed space is negative.

2. The system of claim 1 , wherein the housing is made from materials comprising one or more of metals, glasses, and plastics.

3. The system of claim 1 , comprising a plurality of electronic devices comprising:

a digital pressure sensor for measuring the pressure within the enclosed space; and

a speaker for reading out the measured pressure within the enclosed space.

4. The system of claim 1 , wherein the elastomeric membrane flexes due to pressure difference between the enclosed space and a material of the elastomeric membrane is selected based on a particular pressure threshold.

5. The system of claim 1 , wherein the elastomeric membrane is made from a translucent material.

6. The system of claim 1 , wherein the positive pressure symbol comprises either of a plus mark or a tick mark.

7. The system of claim 1 , wherein the negative pressure symbol comprises either of a minus mark or a cross mark.

8. The system of claim 1 , wherein the elastomeric membrane remains in a non-flexed position when the pressure within the enclosed space is neutral.

9. A pressure sensing and indicating method for an enclosed space, the method comprising:

sensing pressure with a pressure sensing device and pressure indicator within the enclosed space and reading out the pressure via a speaker;

flexing an elastomeric membrane held at an opening of a housing toward an inward direction for a positive pressure state of the enclosed space and toward an outward direction for a negative pressure state of the enclosed space;

illuminating the elastomeric membrane by a first color for the positive pressure state and by a second color for the negative pressure state;

projecting, on the elastomeric membrane, a positive pressure symbol for the positive pressure state and a negative pressure symbol for the negative pressure state within the enclosed space.

10. The method of claim 9 , wherein the elastomeric membrane flexes due to pressure difference between the enclosed space and a material of the elastomeric membrane is selected based on a particular pressure threshold.

11. The method of claim 9 , wherein the elastomeric membrane is made from a translucent material.

12. The method of claim 9 , wherein the positive pressure symbol comprises either of a plus mark or a tick mark.

13. The method of claim 9 , wherein the negative pressure symbol comprises either of a minus mark or a cross mark.

14. The method of claim 9 , wherein the elastomeric membrane remains in a non-flexed position when the pressure within the enclosed space is neutral.

15. A system for sensing and indicating air pressure within an enclosed space, the system comprising:

a housing having an opening;

an elastomeric membrane covering the opening of the housing and capable of flexing inwards and outwards during a pressure change of the enclosed space;

a light source disposed within the housing to provide an illumination indicating a positive pressure with a first color and indicating a negative pressure with a second color;

a projector housed within the housing for projecting a positive pressure symbol and a negative pressure symbol;

wherein the elastomeric membrane flexes inwards along with a representation of the positive pressure symbol with the illumination of the first color when the pressure within the enclosed space is positive and the elastomeric membrane flexes outwards along with a representation of the negative pressure symbol with the illumination of the second color when the pressure within the enclosed space is negative.

16. The system of claim 15 , wherein the elastomeric membrane flexes due to pressure difference between the enclosed space and the material of the elastomeric membrane is selected based on a particular pressure threshold.

17. The system of claim 15 , wherein the elastomeric membrane is made from a translucent material.

18. The system of claim 15 , wherein the positive pressure symbol comprises either of a plus mark or a tick mark.

19. The system of claim 15 , wherein the negative pressure symbol comprises either of a minus mark or a cross mark.

20. The system of claim 15 , wherein the elastomeric membrane remains in a non-flexed position when the pressure within the enclosed space is neutral.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 18, 2024
From: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
To: TYCO FIRE & SECURITY GMBH
Reel/Frame 066957/0796 →
NUNC PRO TUNC ASSIGNMENT Recorded Feb 4, 2022
From: JOHNSON CONTROLS TECHNOLOGY COMPANY
To: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Reel/Frame 058959/0764 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 26, 2021
From: THONI, MARK A.; BYKOWSKI, RYAN J.
To: JOHNSON CONTROLS TECHNOLOGY COMPANY
Reel/Frame 055031/0814 →