# US 8,770,947 B2 · Pumping device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,770,947 B2 - Document ID: US8770947B2 - Status: Granted - Kind: B2 - Application number: 13/249,651 - Filed: 2011-09-30 - Published: 2012-04-05 - Granted: 2014-07-08 - Earliest claimed: 2010-09-30 - Assignees: Nijhuis Pompen B.V. - Applicants: Jacob Arnold - Inventors: Jacob Arnold - Web page: https://patentgrep.com/patent/US8770947B2 ## CPC - F04D 9/007: {Preventing loss of prime, siphon breakers (stopping of pumps F04D15/02)} - Y10T 137/2877: Pump or liquid displacement device for flow passage - Y10T 137/85978: With pump - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A pumping device for pumping a liquid to a higher level comprises a pump having an inlet and an outlet, an inlet tube being located upstream of the inlet for guiding the fluid to the inlet, a siphon being located downstream of the outlet and an outlet tube being located downstream of the siphon for guiding the liquid from the outlet to the outlet tube via the siphon. The outlet tube extends at least beyond a front side of the pump as seen from the pump. With respect to the outlet tube the siphon extends at least partly at the opposite side of the front side. ## Claims ### Claim 1 A pumping device for pumping a liquid to a higher level, comprising a pump having an inlet and an outlet, an inlet tube being located upstream of the inlet for guiding the fluid to the inlet, a siphon being located downstream of the outlet and an outlet tube being located downstream of the siphon for guiding the liquid from the outlet to the outlet tube via the siphon, wherein the outlet tube extends at least beyond a front side of the pumping device as seen from the pump, wherein with respect to the outlet tube the siphon extends at least partly at an opposite side of said front side; and wherein the outlet tube and the siphon are located at different sides of the pump. ### Claim 2 (depends on 1) The pumping device according to claim 1, wherein the siphon is located above the inlet tube. ### Claim 3 (depends on 1) The pumping device according to claim 1, wherein the outlet of the pump is located above its inlet. ### Claim 4 (depends on 1) The pumping device according to claim 1, wherein the outlet of the pump is located at a same side of the pump as the inlet tube. ### Claim 5 (depends on 1) The pumping device according to claim 1, wherein the pump is a vertically-oriented pump having an axis of rotation extending upwardly. ### Claim 6 (depends on 1) The pumping device according to claim 1, wherein at the pump the outlet tube is bifurcated in at least two tube portions which are located at either side of the pump. ### Claim 7 (depends on 1) The pumping device according to claim 1, wherein flow directions in the inlet tube and the outlet tube are substantially the same under operating conditions. ### Claim 8 (depends on 1) The pumping device according to claim 1, wherein the inlet tube and the outlet tube are lying tubes. ### Claim 9 (depends on 8) The pumping device according to claim 8 wherein the inlet tube and the outlet tube are lying tubes extending horizontally. ### Claim 10 A pumping device for pumping a liquid to a higher level, comprising a pump having an inlet and an outlet, an inlet tube being located upstream of the inlet for guiding the fluid to the inlet, a siphon being located downstream of the outlet and an outlet tube being located downstream of the siphon for guiding the liquid from the outlet to the outlet tube via the siphon, wherein the outlet tube extends at least beyond a front side of the pumping device as seen from the pump, wherein with respect to the outlet tube the siphon extends at least partly at an opposite side of said front side, and wherein the siphon and the outlet tube are located at opposite sides of the pump. ### Claim 11 (depends on 10) The pumping device according to claim 10, wherein the siphon is located above the inlet tube. ### Claim 12 (depends on 10) The pumping device according to claim 10, wherein the outlet of the pump is located above its inlet. ### Claim 13 (depends on 10) The pumping device according to claim 10, wherein the outlet of the pump is located at a same side of the pump as the inlet tube. ### Claim 14 (depends on 10) The pumping device according to claim 10, wherein the pump is a vertically-oriented pump having an axis of rotation extending upwardly. ### Claim 15 (depends on 10) The pumping device according to claim 10, wherein at the pump the outlet tube is bifurcated in at least two tube portions which are located at either side of the pump. ### Claim 16 (depends on 10) The pumping device according to claim 10, wherein flow directions in the inlet tube and the outlet tube are substantially the same under operating conditions. ### Claim 17 (depends on 10) The pumping device according to claim 10, wherein the inlet tube and the outlet tube are lying tubes. ### Claim 18 (depends on 17) The pumping device according to claim 17 wherein the inlet tube and the outlet tube are lying tubes extending horizontally.