Air controller with vibration isolators
An air controller can include an air pump, a flow control assembly, and vibration isolators. The vibration isolators can be positioned between the flow control assembly and supporting structures, such as supporting structures of a housing, to dampen vibration of the flow control assembly. The air controller can inflate and deflate an inflatable air chamber of a mattress of an air bed.
1. An air bed system comprising:
a mattress comprising a first inflatable air chamber; and
an air controller fluidly connected to the first inflatable air chamber of the mattress for inflating and deflating the first inflatable air chamber, the air controller comprising:
an air pump;
a flow control assembly fluidly connected between the air pump and the first inflatable air chamber and including a first vertical post extending along an axis and having a first post top and a first post bottom opposite to the first post top along the axis;
first and second supporting structures, wherein the flow control assembly is supported between the first and second supporting structures; and
a plurality of vibration isolators including at least a first vibration isolator positioned between and supported by the first supporting structure and the first post top of the flow control assembly, and a second vibration isolator positioned between and supported by the second supporting structure and the first post bottom of the flow control assembly, wherein the first vibration isolator and the second vibration isolator are separate.
2. The air bed system of claim 1 , wherein the air controller comprises a housing having a housing top and a housing bottom, wherein the first supporting structure is part of the housing top and the second supporting structure is part of the housing bottom, and wherein the vibration isolators prevent contact between the flow control assembly and the housing top and bottom so as to reduce transmission of vibration from the flow control assembly to the housing.
3. The air bed system of claim 1 , wherein the flow control assembly comprises an air manifold and a plurality of valves connected to the air manifold.
4. The air bed system of claim 3 , wherein the air manifold comprises the first vertical post having the first post top and the first post bottom and a second vertical post having a second post top and a second post bottom, wherein the first vibration isolator is positioned between the first post top and the first supporting structure, wherein the second vibration isolator is positioned between the first post bottom and the second supporting structure, wherein a third vibration isolator is positioned between the second post top and the first supporting structure, and wherein a fourth vibration isolator is positioned between the second post bottom and the second supporting structure.
5. The air bed system of claim 4 , wherein the plurality of valves are rigidly mounted to the air manifold along a length of the air manifold between the first vertical post and the second vertical post.
6. The air bed system of claim 3 , wherein the valves comprise solenoid valves rigidly mounted to the air manifold and wherein the air pump comprises a positive displacement pump spaced from the air manifold and connected to the air manifold via a tube.
7. The air bed system of claim 1 , wherein the air controller comprises a housing having a housing top and a housing bottom, wherein the first supporting structure is part of the housing top and the second supporting structure is part of the housing bottom, wherein a threaded fastener extends through holes defined by the housing bottom, the first vibration isolator, the flow control assembly, the second vibration isolator, and the housing top to connect the housing top to the housing bottom and to hold the flow control assembly in place within the housing.
8. The air bed system of claim 1 , wherein the vibration isolators each comprise a cylindrical portion extending substantially circumferentially about an axis and an annular portion extending substantially radially with respect to the axis and having an inner rim that defines a hole and an outer rim connected to an end of the cylindrical portion.
9. The air bed system of claim 8 , wherein the annular portion comprises a first set of projections extending from a first side of the annular portion and a second set of projections extending from a second side of the annular portion, wherein the second side is positioned opposite the first side.
10. The air bed system of claim 9 , wherein the first set of projections each extend radially from the inner rim to the outer rim and the second set of projections are shaped differently than the first set of projections.
11. The air bed system of claim 10 , wherein the second set of projections are positioned proximate to and spaced from an inner surface of the cylindrical portion.
12. The air bed system of claim 10 , wherein the flow control assembly comprises the first vertical post having the first post top and the first post bottom, wherein the first vibration isolator is positioned between the first post top and the first supporting structure with the cylindrical portion wrapped around a circumferential portion of the first post top with the second set of projections abutting an end of the first post top, the first set of projections abutting the first supporting structure, and the inner rim abutting the first supporting structure.
13. The air bed system of claim 12 , wherein the second vibration isolator is positioned between the first post bottom and the second supporting structure with the cylindrical portion of the second vibration isolator wrapped around a circumferential portion of the first post bottom, with the second set of projections of the second supporting structure abutting an end of the first post bottom.
14. The air bed system of claim 9 , wherein the flow control assembly comprises a post having a post end, wherein the first vibration isolator is positioned between the post end and the first supporting structure with the cylindrical portion wrapped around a circumferential portion of the post, with the second set of projections abutting the post end, with the first set of projections abutting the first supporting structure, and with the inner rim abutting the first supporting structure.
15. The air bed system of claim 8 , wherein the flow control assembly comprises a post having a post end, wherein the first vibration isolator is positioned between the post end and the first supporting structure with the cylindrical portion wrapped around a circumferential portion of the post, with the annular portion abutting the post end and the first supporting structure.
16. The air bed system of claim 1 , wherein the vibrations isolators comprise an elastomer.
17. An air controller comprising:
an air pump;
a flow control assembly having an air manifold fluidly connected to the air pump and a plurality of valves mounted to the air manifold, wherein the manifold includes a first vertical post that extends along an axis and has a first post top and a first post bottom opposite to the first post top along the axis;
a housing comprising a housing top having a first supporting structure and a housing bottom having a second supporting structure, wherein the flow control assembly is supported between the first and second supporting structures; and
a plurality of vibration isolators including at least a first vibration isolator positioned between and supported by the first supporting structure and the first post top of the flow control assembly, and a second vibration isolator positioned between and supported by the second supporting structure and the first post bottom of the flow control assembly, wherein the first vibration isolator and the second vibration isolator are separate.
18. The air controller of claim 17 , wherein the vibration isolators each comprise a cylindrical portion extending substantially circumferentially about an axis and an annular portion extending substantially radially with respect to the axis and having an inner rim that defines a hole and an outer rim connected to an end of the cylindrical portion and wherein the annular portion comprises a first set of projections extending from a first side of the annular portion and a second set of projections extending from a second side of the annular portion, wherein the second side is positioned opposite the first side.
19. An air controller comprising:
an air pump;
a flow control assembly having an air manifold fluidly connected to the air pump and a plurality of valves mounted to the air manifold, wherein the manifold includes a first vertical post that extends along an axis and has a first post top and a first post bottom opposite to the first post top along the axis;
a housing including first and second supporting structures;
first means for mounting the flow control assembly in the housing and dampening transmission of vibration from the flow control assembly to the housing, the first means positioned between and supported by the first supporting structure and the first post top; and
second means for mounting the flow control assembly in the housing and dampening transmission of vibration from the flow control assembly to the housing, the second means positioned between and supported by the second supporting structure and the second post top, wherein the first means for mounting the flow control assembly and the second means for mounting the flow control assembly are separate.