PROGRESSIVE PUMP FORCE REGULATION
First Claim
1. A pump, comprising:
- a pump housing including a chamber with a bevelled inner wall, said chamber including an open end having a third area;
a membrane element, said membrane element including a first area and a central section with a second area surrounded by a periphery section,wherein said central section is thicker than said periphery section,wherein said second area of said central section is smaller than said third area of said open end of said chamber, andwherein said membrane element is arrangable over said pump housing forming a sealed chamber,such that said central section of said membrane element is arranged over said open end of said chamber, and said thicker central section is shaped to protrude away from said chamber.
2 Assignments
0 Petitions
Accused Products
Abstract
A pump comprising a membrane element and a pump housing having a chamber with a bevelled inner wall. The chamber comprises an open end having a third area. The membrane element has a first area, and comprises a central section with a second area which is surrounded by a periphery section. The central section is thicker than the periphery section. Further, the second area of the central section is smaller than the third area of the open end of the chamber and the membrane element is arrangable over said pump housing forming a sealed chamber, whereby the central section of the membrane element is arranged over the open end, and the central section is protruding away from the chamber.
-
Citations
15 Claims
-
1. A pump, comprising:
-
a pump housing including a chamber with a bevelled inner wall, said chamber including an open end having a third area; a membrane element, said membrane element including a first area and a central section with a second area surrounded by a periphery section, wherein said central section is thicker than said periphery section, wherein said second area of said central section is smaller than said third area of said open end of said chamber, and wherein said membrane element is arrangable over said pump housing forming a sealed chamber, such that said central section of said membrane element is arranged over said open end of said chamber, and said thicker central section is shaped to protrude away from said chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification