Pneumatic booster comprising tubular intake and equalizing valves
a1A pneumatic brake booster for a motor vehicle, of the type in which the movements of a control rod are able to determine the openings and closings of at least one axial intake valve which is inserted between a pressure source subjected to the pressure (P) higher than the first pressure (P) and a r...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
31.05.2005
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Online Access | Get full text |
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Abstract | a1A pneumatic brake booster for a motor vehicle, of the type in which the movements of a control rod are able to determine the openings and closings of at least one axial intake valve which is inserted between a pressure source subjected to the pressure (P) higher than the first pressure (P) and a rear chamber of the booster, and of at least one axial equalizing valve which is inserted between a front chamber and the rear chamber, to actuate a moving partition inserted between the front chamber and the rear chamber, characterized in that it comprises a tubular element of which axially offset transverse faces comprise first elements for sealing the axial intake and equalizing valves and that the control rod is able to operate via two concentric springs having different stiffnesses. |
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AbstractList | a1A pneumatic brake booster for a motor vehicle, of the type in which the movements of a control rod are able to determine the openings and closings of at least one axial intake valve which is inserted between a pressure source subjected to the pressure (P) higher than the first pressure (P) and a rear chamber of the booster, and of at least one axial equalizing valve which is inserted between a front chamber and the rear chamber, to actuate a moving partition inserted between the front chamber and the rear chamber, characterized in that it comprises a tubular element of which axially offset transverse faces comprise first elements for sealing the axial intake and equalizing valves and that the control rod is able to operate via two concentric springs having different stiffnesses. |
Author | Lacroix, Stéphane Richard, Philippe Verbo, Ulysse Maligne, Jean-Charles |
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References | Gautier et al. (5579675) 19961200 Fecher (5161451) 19921100 Horikoshi (5609087) 19970300 |
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Snippet | a1A pneumatic brake booster for a motor vehicle, of the type in which the movements of a control rod are able to determine the openings and closings of at... |
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Title | Pneumatic booster comprising tubular intake and equalizing valves |
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