EXTENDED ELASTICITY OF PUMP MEMBRANE WITH CONSERVED PUMP FORCE
First Claim
1. A pump comprising:
- a first pump housing member including a chamber with an inner wall and an open end having a first area, wherein said first pump housing comprises an enlarged surface surrounding said open end of said chamber;
a second pump housing member; and
a membrane element with a second area, wherein said membrane element has a first central section having a third area with same size as said first area of said open end of said chamber,wherein said membrane element is arranged on said first pump housing member with said first central section positioned over said open end, forming a sealed chamber, andwherein a portion of said membrane element is slidably clamped between said enlarged surface and said second pump housing member, such that the clamped portion is allowed to move radially and to stretch when a force is applied.
2 Assignments
0 Petitions
Accused Products
Abstract
A pump comprising a pump housing member having a chamber with inner walls and an open end having a first area, the pump housing member comprises an enlarged surface surrounding the open end of the chamber. The pump further comprises a second pump housing member and a membrane element with a second area. The membrane element has a first central section having a third area with same size as the first area of the open end of the chamber. The membrane element is arranged on the pump housing element with the first central section positioned over the open end, forming a sealed chamber. A portion of the membrane element is slidably clamped between the enlarged surface and the second pump housing member.
8 Citations
18 Claims
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1. A pump comprising:
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a first pump housing member including a chamber with an inner wall and an open end having a first area, wherein said first pump housing comprises an enlarged surface surrounding said open end of said chamber; a second pump housing member; and a membrane element with a second area, wherein said membrane element has a first central section having a third area with same size as said first area of said open end of said chamber, wherein said membrane element is arranged on said first pump housing member with said first central section positioned over said open end, forming a sealed chamber, and wherein a portion of said membrane element is slidably clamped between said enlarged surface and said second pump housing member, such that the clamped portion is allowed to move radially and to stretch when a force is applied. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method comprising:
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providing a first pump housing member having a chamber with an inner wall and an open end having a first area, wherein said pump housing comprises an enlarged surface surrounding said open end of said chamber; providing a second pump housing member; providing a membrane element with a second area, wherein said membrane element includes a first central section having a third area with same size as said first area of said open end of said chamber, arranging said membrane element on said pump housing member with said first central section positioned over said open end, forming a sealed chamber, and slidably clamping a portion of said membrane element between said enlarged surface and said second pump housing member, such that the clamped portion is allowed to move radially and to stretch when a force is applied.
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Specification