Patent · US Expired

Jet stream device

US4561133A · kind A · utility

50Cited by

5References

15Claims

0Family size

Inventor

Karsten Laing · Althütte, DE

Key dates

Filing date	Apr 9, 1984
Grant date	Dec 31, 1985
Priority date	—
Expiry date	Apr 9, 2004

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04H4/169
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A submersible jet stream device having inlet apertures and an outlet nozzle which creates a jet stream which can be located either in a first position at the water surface or a second position at a pool bottom. The device may be hinged about a horizontal position for movement between the two positions. An embodiment may include two nozzles, one at each end of a housing and two propellers on a reversible motor disposed within the housing whereby the nozzle used for the flow is determined by the direction of motor rotation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.