Waterway de-icing apparatus

• US 3,318,098 A
• Filed: 01/03/1964
• Issued: 05/09/1967
• Est. Priority Date: 01/03/1964
• Status: Expired due to Term

• Current Assignee: David C. Hoddinott, William M. Hoddinott
• Original Assignee: David C. Hoddinott, William M. Hoddinott
• Inventors: Hoddinott, William M., Hoddinott, David C.
• Application Number:
  US04/335,598
• Time in Patent Office: 1,222 Days
• US Class Current: 405/61
• CPC Class Codes: B01F 23/2311 Mounting the bubbling devices or the diffusers
• CPC Class Codes: B01F 23/231154 the bubbling devices being provided with ballast to keep them floating under the surface, i.e. when the bubbling devices are lighter than the liquid
• CPC Class Codes: B01F 23/231231 the outlets being in the form of perforations
• CPC Class Codes: B01F 23/231265 being tubes, tubular elements, cylindrical elements or set of tubes
• CPC Class Codes: B01F 33/503 Floating mixing devices
• CPC Class Codes: E02B 1/003 Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation moving sediments E02B3/023; for ice breakers B63B35/08; aerating or circulating water in fish-tanks A01K63/042; purification of waste water with addition of air C02F; distributing gases in liquids in general B01F23/20

Claims

1. A WATERWAY DE-ICING APPARATUS COMPRISING (A) A LENGTH OF HOSE OF PLASTIC MATERIAL ADAPTED TO BE SUBMERGED IN THE BODY OF SAID WATERWAY, (B) MEANS FOR SUSPENDING SAID HOSE IN THE STRATUM OF SAID WATERWAY HAVING THE GREATEST DENSITY, (C) SAID LATTER MEANS INCLUDING BUOYS CONNECTED ALONG SAID HOSE, AND COOPERATING COUNTERBALANCING ELONGATED WEIGHT MEANS DISPOSED INTERNALLY WITHIN SAID HOSE WHEREBY SAID BUOYS AND WEIGHT MEANS ARE PROPORTIONED SO THAT SAID HOSE IS MAINTAINED SUSPENDED IN SAID WATERWAY, (D) SAID HOSE HAVING A SERIES OF APERTURES ADJACENT THE BOTTOM OF SAID HOSE AND SPACED TO THE SIDE OF SAID ELONGATED WEIGHT MEANS WHEREBY SAID APERTURES ARE DIRECTED TOWARD THE BOTTOM OF SAID WATERWAY, (E) AND EACH OF SAID APERTURES BEING DEFINED BY A SMOOTH TAPERING WALL SURFACE THAT DIVERGES TOWARD THE EXTERIOR SURFACE OF SAID HOSE WHEREBY SAID APERTURE IS RENDERED SUBSTANTIALLY CONICAL IN CROSS-SECTION.