A compressed air indicator includes a housing having a pair of fittings and at least one (1) external pressure status window. The housing allows an “in-line” connection to an air line allowing compressed air to pass through. Once connected, movable indicator sleeves within the housing are visible th
A compressed air indicator includes a housing having a pair of fittings and at least one (1) external pressure status window. The housing allows an “in-line” connection to an air line allowing compressed air to pass through. Once connected, movable indicator sleeves within the housing are visible through any window. The indicator sleeves are acted upon and correspondingly positioned relative to each window based upon “pressure” or “no-pressure” conditions within the air line and the housing.
대표청구항▼
1. A compressed gas indicating device comprising: a housing comprising an outer wall, a first end, and a longitudinally opposed second end defining a hollow interior;a dividing wall positioned within said hollow interior, said dividing wall defining an inner air chamber and an outer air chamber, sai
1. A compressed gas indicating device comprising: a housing comprising an outer wall, a first end, and a longitudinally opposed second end defining a hollow interior;a dividing wall positioned within said hollow interior, said dividing wall defining an inner air chamber and an outer air chamber, said inner air chamber being pneumatically connected to said outer air chamber;a first indicator sleeve disposed within said outer air chamber, proximate said first end;a second indicator sleeve disposed within said outer chamber and operably abutting said first indicator sleeve proximate said second end;a spring located within said outer air chamber and positioned between an upper surface of said second indicator sleeve and said second end; and,at least one window disposed within said outer wall;wherein said spring biases said second indicator sleeve and said first indicator sleeve towards said first end; and,wherein said first and second indicator sleeves are linearly movable such that said first indicator sleeve, in response to a presence of compressed gas within said inner chamber, is positioned to be visible through any one of said at least one window, and said second indicator sleeve, in response to a lack of compressed gas within said inner chamber, is positioned to be visible through any one of said at least one window. 2. The device of claim 1, wherein said dividing wall comprises at least one weep aperture extending from said inner chamber to said outer chamber, said weep aperture transfers at least a portion of said compressed gas from said inner chamber to said outer chamber. 3. The device of claim 2, wherein said first indicator sleeve comprises a lower perimeter edge abutting a seal disposed on a bottom wall of said outer chamber proximate said first end, and, wherein said seal is positioned to be acted upon by said compressed gas passing through each weep aperture. 4. The device of claim 3, wherein said at least one weep aperture further comprises a pair of weep apertures located at diametrically opposing positions. 5. The device of claim 1, wherein said spring is a coiled compression spring disposed about a circumference of said dividing wall. 6. The device of claim 1, wherein said first indicator sleeve comprises a first color. 7. The device of claim 6, wherein said second indicator sleeve comprises a second color. 8. The device of claim 7, wherein said first color and said second color are different. 9. The device of claim 1, further comprising a first air fitting attached to said first end for connection of an inlet supply line of said compressed gas and a second fitting attached to said second end for connection to an outlet supply line of said compressed gas. 10. A compressed gas indicating device comprising: a housing comprising a cylindrical outer wall, a first end, and a longitudinally opposed second end defining a hollow interior;a cylindrical dividing wall positioned within said hollow interior, said dividing wall defining an inner air chamber and an outer air chamber;a plurality of weep apertures extending through said dividing wall from said inner chamber to said outer chamber, said weep apertures pneumatically connecting said inner chamber and said outer chamber;a first indicator sleeve disposed within said outer air chamber, proximate said first end;a second indicator sleeve disposed within said outer chamber and operably abutting said first indicator sleeve proximate said second end;a spring located within said outer air chamber and positioned between an upper surface of said second indicator sleeve and said second end; and,at least one window disposed within said outer wall;wherein said spring biases said second indicator sleeve and said first indicator sleeve towards said first end; and,wherein said first and second indicator sleeves are linearly movable such that said first indicator sleeve, in response to a presence of compressed gas within said inner chamber, is positioned to be visible through any one of said at least one window, and said second indicator sleeve, in response to a lack of compressed gas within said inner chamber, is positioned to be visible through any one of said at least one window. 11. The device of claim 10, wherein said first indicator sleeve comprises a lower perimeter edge abutting a seal disposed on a bottom wall of said outer chamber proximate said first end, and, wherein said seal is positioned to be acted upon by said compressed gas passing through each weep aperture. 12. The device of claim 11, wherein said plurality of weep apertures further comprises a pair of weep apertures located at diametrically opposing positions. 13. The device of claim 10, wherein said spring is a coiled compression spring disposed around said dividing wall. 14. The device of claim 10, wherein said first indicator sleeve comprises a first color. 15. The device of claim 14, wherein said second indicator sleeve comprises a second color. 16. The device of claim 15, wherein said first color and said second color are different. 17. The device of claim 16, further comprising a first air fitting attached to said first end for connection of an inlet supply line of said compressed gas and a second fitting attached to said second end for connection to an outlet supply line of said compressed gas.
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이 특허에 인용된 특허 (10)
Maldonado Brandon ; Scott Gene, Air valve housing with pressure indicator.
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