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US 8,474,365 B2Granted
Diaphragm pump
AssigneeKNF Flodos AG
InventorsStephan Kaufmann, Christian Kissling, Michael Bucher
Life of this patent
Estimating the term…
Abstract
A diaphragm pump (1) has at least two pump heads (3) arranged around a central eccentric pump drive (2), the diaphragms (4) being drivingly connected to the eccentric pump drive (2) via connecting rods (5). The eccentric pump drive (2) has a connecting rod ring (6) to which the ends (9) of the connecting rods are connected via elastic intermediates (10).
Claims14
A diaphragm pump (1) comprising at least two pump heads (3) arranged around a central eccentric pump drive (2), wherein
- the at least two pump heads are (4) drivingly connected by connecting rods (5) to the eccentric pump drive (2),
- the eccentric pump drive (2) comprises a connecting rod ring (6), that is connected to ends (9) of the connecting rods via respective elastic intermediate elements (10),
- the connecting rod ring at an exterior thereof includes recesses, each open at the edges thereof, for at least partially accepting the ends of the connecting rods connected to the elastic intermediate elements, and
- the elastic intermediate element in each case forms an intermediate layer between recess walls of the recesses and the connecting rod ends.
1 more element
Dependencies are inferred from the claim text.