Solenoid-actuated valve and hydraulic control module including the same
A solenoid-actuated valve includes a solenoid portion extending along a longitudinal axis. The solenoid portion includes a solenoid housing defining a solenoid interior, a coil, and an armature, with the armature being moveable along the longitudinal axis in response to energization of the coil. The solenoid-actuated valve also includes a valve portion coupled to the solenoid portion. The valve portion includes a valve member moveable by the armature. The solenoid-actuated valve further includes a valve filter disposed in the solenoid interior and/or coupled to the solenoid housing and configured to separate the solenoid interior from a hydraulic circuit when the valve portion is coupled to a valve housing for allowing fluid to flow into and out of the solenoid interior upon actuation of the armature.
1. A solenoid-actuated valve comprising:
a solenoid portion extending along a longitudinal axis, with said solenoid portion comprising,
a solenoid housing disposed about said longitudinal axis and defining a solenoid interior,
a coil disposed about said longitudinal axis and in said solenoid interior, and
an armature disposed about said longitudinal axis and in said solenoid interior and between said longitudinal axis and said coil, with said armature being moveable along said longitudinal axis in response to energization of said coil;
a valve portion coupled to said solenoid portion and comprising,
a valve member moveable by said armature for controlling a flow of hydraulic fluid through a hydraulic circuit; and
a valve filter disposed in said solenoid interior and/or coupled to said solenoid housing and configured to separate said solenoid interior from a hydraulic circuit when said valve portion is coupled to a valve housing for allowing the hydraulic fluid to flow into and out of said solenoid interior upon actuation of said armature;
wherein said solenoid housing defines a housing fluid passage for directing the hydraulic fluid to flow into and out of said solenoid interior upon actuation of said armature; and
wherein said valve portion further comprises a valve body disposed about said longitudinal axis and defining a fluid passage, with said valve member disposed in said fluid passage for controlling the flow of hydraulic fluid through the hydraulic circuit, wherein said solenoid housing has a first housing end adjacent said valve body, and a second housing end spaced from said first housing end along said longitudinal axis, and wherein said housing fluid passage is defined at said second housing end.
2. The solenoid-actuated valve as set forth in claim 1 , wherein said valve body defines a valve fluid passage adapted to be fluidly coupled to the hydraulic circuit and said solenoid interior for allowing the hydraulic fluid to flow into and out of said solenoid interior upon actuation of said armature.
3. The solenoid-actuated valve as set forth in claim 1 , wherein said solenoid portion further comprises a flux core disposed in said solenoid interior about said longitudinal axis.
4. The solenoid-actuated valve as set forth in claim 3 , wherein said flux core defines a flux fluid passage for directing hydraulic fluid to flow into and out of said solenoid interior upon actuation of said armature.
5. The solenoid-actuated valve as set forth in claim 3 , wherein said valve filter is disposed at said second housing end, and coupled to said flux core and said solenoid housing.
6. The solenoid-actuated valve as set forth in claim 3 , wherein said valve filter is sandwiched between and directly engaged with said solenoid housing and said flux core.
7. The solenoid-actuated valve as set forth in claim 3 , wherein said valve filter is disposed between said flux core and said valve body.
8. The solenoid-actuated valve as set forth in claim 3 , wherein said valve filter is disposed between said flux core and said valve housing.
9. The solenoid-actuated valve as set forth in claim 1 , wherein said valve filter is directly engaged with said solenoid housing.
10. The solenoid-actuated valve as set forth in claim 1 , wherein said valve filter is stationary with respect to said solenoid housing during actuation of said armature.
11. The solenoid-actuated valve as set forth in claim 1 , wherein said valve filter is a felt filter.
12. A hydraulic control module comprising:
said solenoid-actuated valve as set forth in claim 1 ; and
a valve housing defining a hydraulic circuit.
13. A solenoid-actuated valve comprising:
a solenoid portion extending along a longitudinal axis, with said solenoid portion comprising,
a solenoid housing disposed about said longitudinal axis and defining a solenoid interior,
a coil disposed about said longitudinal axis and in said solenoid interior, and
an armature disposed about said longitudinal axis and in said solenoid interior and between said longitudinal axis and said coil, with said armature being moveable along said longitudinal axis in response to energization of said coil;
a valve portion coupled to said solenoid portion and comprising,
a valve member moveable by said armature for controlling a flow of hydraulic fluid through a hydraulic circuit; and
a valve filter disposed in said solenoid interior and/or coupled to said solenoid housing and configured to separate said solenoid interior from a hydraulic circuit when said valve portion is coupled to a valve housing for allowing the hydraulic fluid to flow into and out of said solenoid interior upon actuation of said armature;
wherein said solenoid portion further comprises a flux core disposed in said solenoid interior about said longitudinal axis; and
wherein said valve filter is sandwiched between and directly engaged with said solenoid housing and said flux core.
14. The solenoid-actuated valve as set forth in claim 13 , wherein said valve filter is stationary with respect to said solenoid housing during actuation of said armature.
15. The solenoid-actuated valve as set forth in claim 13 , wherein said solenoid housing has a first housing end adjacent said valve body, and a second housing end spaced from said first housing end along said longitudinal axis, wherein said valve filter is disposed at said second housing end.
16. The solenoid-actuated valve as set forth in claim 15 , wherein said flux core defines a corner adjacent said second housing end, and wherein said valve filter is disposed in said corner.
17. The solenoid-actuated valve as set forth in claim 13 , wherein said valve filter is a felt filter.
18. A hydraulic control module comprising:
said solenoid-actuated valve as set forth in claim 13 ; and
a valve housing defining a hydraulic circuit.
19. A solenoid-actuated valve comprising:
a solenoid portion extending along a longitudinal axis, with said solenoid portion comprising,
a solenoid housing disposed about said longitudinal axis and defining a solenoid interior,
a coil disposed about said longitudinal axis and in said solenoid interior, and
an armature disposed about said longitudinal axis and in said solenoid interior and between said longitudinal axis and said coil, with said armature being moveable along said longitudinal axis in response to energization of said coil;
a valve portion coupled to said solenoid portion and comprising,
a valve member moveable by said armature for controlling a flow of hydraulic fluid through a hydraulic circuit; and
a valve filter disposed in said solenoid interior and/or coupled to said solenoid housing and configured to separate said solenoid interior from a hydraulic circuit when said valve portion is coupled to a valve housing for allowing the hydraulic fluid to flow into and out of said solenoid interior upon actuation of said armature;
wherein said solenoid portion further comprises a flux core disposed in said solenoid interior about said longitudinal axis;
wherein said valve portion further comprises a valve body disposed about said longitudinal axis and defining a fluid passage, with said valve member disposed in said fluid passage for controlling the flow of hydraulic fluid through the hydraulic circuit, and wherein said valve filter is disposed between said flux core and said valve body; and
wherein said flux core defines a corner, with said valve filter being disposed in said corner such that said valve filter is disposed between said valve body and said flux core.
20. The solenoid-actuated valve as set forth in claim 19 , wherein said flux core and said valve body collectively define a pocket about said longitudinal axis for securing said valve filter.
21. The solenoid-actuated valve as set forth in claim 19 , wherein said valve filter is stationary with respect to said solenoid housing during actuation of said armature.
22. The solenoid-actuated valve as set forth in claim 19 , wherein said valve filter is a felt filter.
23. A hydraulic control module comprising:
said solenoid-actuated valve as set forth in claim 19 ; and
a valve housing defining a hydraulic circuit.