Air dryer cartridge with integrated check valve
AssigneeHaldex Brake Products AB
InventorsAndrew W. Adams, David A. Prater, Michael R. Jenkins
Life of this patent
Estimating the term…
Abstract
An air dryer cartridge having an outer shell, an inner shell positioned within the outer shell, and a check valve positioned at least partially between the inner and outer shells. The inner and outer shells each have an inlet and an outlet. The outer shell is preferably operable to removably engage an air dryer. The check valve is operable to regulate the rate of flow of fluid through the outlet of the inner shell. Preferably, the check valve also seals between portions of the inner and outer shells and/or is operable to sealingly engage an air dryer.
Claims21
An air dryer cartridge, comprising:
- an outer shell comprising an inlet and an outlet;
- an inner shell positioned within said outer shell and comprising an inlet and an outlet;
- and
- a check valve positioned at least partially between said outer shell and said inner shell and sealing between a portion of said outer shell and a portion of said inner shell, wherein said check valve is operable to regulate the rate of flow of fluid through said outlet of said inner shell.
An air dryer cartridge, comprising:
- an outer shell comprising an inlet and an outlet, wherein said outer shell comprises an air dryer engagement surface that is operable to removably engage an air dryer;
- an inner shell positioned within said outer shell and comprising an inlet and an outlet;
- and
- a check valve positioned at least partially between said outer shell and said inner shell, wherein said check valve is operable to regulate the rate of flow of fluid through said outlet of said inner shell, and wherein said check valve comprises a seal portion that is operable to sealingly engage said air dryer, wherein said air dryer engagement surface is spaced from said seal portion to define a gap that is configured to receive a portion of said air dryer.
An air dryer cartridge, comprising:
- an outer shell comprising an inlet and an outlet, wherein said outer shell is operable to removably engage an air dryer;
- an inner shell positioned within said outer shell and comprising an inlet and an outlet;
- and
- a check valve positioned at least partially between said outer shell and said inner shell and sealing between a portion of said outer shell and a portion of said inner shell, wherein said check valve is operable to regulate the rate of flow of fluid through said outlet of said inner shell, and wherein said check valve is operable to sealingly engage said air dryer.
An air dryer assembly comprising:
- an air dryer;
- and
- an air dryer cartridge comprising:
- an outer shell comprising an inlet and an outlet, wherein said outer shell is operable to removably engage said air dryer;
- an inner shell positioned within said outer shell and comprising an inlet and an outlet;
- and
- a check valve positioned at least partially between said outer shell and said inner shell, wherein said check valve is operable to regulate the rate of flow of fluid through said outlet of said inner shell, and wherein said check valve sealingly engages said air dryer when said outer shell engages said air dryer.
Dependencies are inferred from the claim text.