US 11,680,554 B2
Inertial hydrodynamic pump and wave engine
Garth Alexander Sheldon-Coulson, Portland, OR (US); Brian Lee Moffat, Portland, OR (US); and Daniel William Place, Portland, OR (US)
Assigned to LONE GULL HOLDINGS, LTD., Portland, OR (US)
Filed by LONE GULL HOLDINGS, LTD., Portland, OR (US)
Filed on Jul. 8, 2022, as Appl. No. 17/861,156.
Application 16/789,205 is a division of application No. 16/538,472, filed on Aug. 12, 2019, granted, now 10,605,226, issued on Mar. 31, 2020.
Application 17/861,156 is a continuation of application No. 17/398,890, filed on Aug. 10, 2021, granted, now 11,384,727.
Application 17/398,890 is a continuation of application No. 16/789,205, filed on Feb. 12, 2020, granted, now 11,118,559, issued on Sep. 14, 2021.
Claims priority of provisional application 62/831,202, filed on Apr. 9, 2019.
Claims priority of provisional application 62/768,968, filed on Nov. 18, 2018.
Claims priority of provisional application 62/755,427, filed on Nov. 3, 2018.
Claims priority of provisional application 62/739,190, filed on Sep. 29, 2018.
Claims priority of provisional application 62/724,629, filed on Aug. 30, 2018.
Claims priority of provisional application 62/719,648, filed on Aug. 18, 2018.
Claims priority of provisional application 62/718,383, filed on Aug. 14, 2018.
Prior Publication US 2022/0341387 A1, Oct. 27, 2022
Int. Cl. F02B 17/00 (2006.01); F03B 17/06 (2006.01); H02K 7/18 (2006.01); B63B 22/18 (2006.01); H02K 44/08 (2006.01)
CPC F03B 17/06 (2013.01) [B63B 22/18 (2013.01); H02K 7/1823 (2013.01); H02K 44/085 (2013.01); B63B 2209/14 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A hydrodynamic pump, comprising:
a buoy configured to float at an upper surface of a body of water; and
a hollow tapered tube depending from the buoy, the hollow tapered tube including a lower inlet aperture and an upper discharge spout, the lower inlet aperture having a larger cross-sectional area than a cross-sectional area of the upper discharge spout;
wherein the lower inlet aperture is configured to be submerged in, and transmit water from, the body of water; and
wherein the hydrodynamic pump is adapted to convey water upwardly through the hollow tapered tube and expel water from the upper discharge spout as the hydrodynamic pump rises and falls in response to a passage of waves.