Winn Russell Edward: Apparatus for maneuvering on a submerged surface. Exxon Research & Engineering Co, Paris F Donald, September 23, 1975: US3906572 (32 worldwide citation)

A remotely controlled submerged electro-hydraulic cleaning system for removing growths from a ship's hull is disclosed. The system basically comprises four sections including a cleaning unit, a control console and a power supply unit. The cleaning unit includes a device having rotating scrubbing bru ...

Thompson Jeffrey L: Acoustic leak location and detection system. Esso Research and Engineering Company, Paris F Donald, October 1, 1974: US3838593 (28 worldwide citation)

A system for locating and detecting acoustic noise sources such as liquid or gas leaks in the presence of conflicting ambient (i.e., background) noise by implementing one point correlation. In a preferred embodiment the device employed comprises a pair of spaced sensors mounted on a movable connecti ...

Salooja Kailish Chander: Placement of catalytically active materials in combustion flames. Exxon Research and Engineering Company, Wells Harold N, Paris F Donald, December 9, 1975: US3925001 (22 worldwide citation)

Combustion of a carbonaceous fuel in a flame is improved by placing a catalyst comprising a metal or metal oxide in the primary reaction zone and thereby reducing smoke formation.

Cross Newbold O, Thompson Jeffrey L: Automated volume monitoring system. Esso Research and Engineering Company, Paris F Donald, October 15, 1974: US3841146 (22 worldwide citation)

A system for detecting leaks in buried storage tanks by measuring change in liquid level, comprising a product containing reservoir suspended from an electronic load cell for measuring any weight loss and thermal sensor for detecting any change in average product temperature. A volume calculating ci ...

Pugh Ralph A, Sofer George A, Leach Charles E: Coolant mixing vanes. Exxon Nuclear Company, Paris F Donald, Parks F Donald, January 21, 1975: US3862000 (21 worldwide citation)

Mixing vanes are so arranged on certain sections of nuclear reactor spacer grid to provide a vortex flow of coolant about each intersection of the fuel assemblies in the reactor. This flow produces a mass transfer of coolant between adjacent assemblies and between regions within each assembly.

Hatley Kenneth John: Tank cleaning machine with selective wash programming. Butterworth System, Paris F Donald, April 1, 1975: US3874594 (18 worldwide citation)

A tank washing machine, suitable for cleaning the tanks of marine oil tankers, in which washing liquid is discharged from a nozzle mounted on a housing which is rotatable about a first axis (e.g., vertical) in relation to other normally fixed parts of the machine. The nozzle is pivotable or rotatabl ...

Howell Thomas E: Fuel rod pellet loading head. Exxon Nuclear Company, Paris F Donald, September 23, 1975: US3907123 (12 worldwide citation)

An assembly for loading nuclear fuel pellets into a fuel rod comprising a loading head for feeding pellets into the open end of the rod. The pellets rest in a perforated substantially V-shaped seat through which air may be drawn for removal of chips and dust. The rod is held in place in an adjustabl ...

Flory John F, Beazley Raymond A, Pedersen Kristen I: Multi-product swivel joint. Esso Research and Engineering Company, Paris F Donald, October 1, 1974: US3838718 (12 worldwide citation)

A multi-product fluid swivel assembly for handling more than one cargo flow at a time, for use in single anchor leg mooring systems where deballasting to shore is required, where bunkering is desired, or where it is desired to handle more than one product simultaneously. The fluid swivel assembly in ...

Mosler Henry A, Weber Richard: Plural temperature controls of distillation. Esso Research & Engineering Company, Wells Harold N, Paris F Donald, Wohlers Donald F, December 17, 1974: US3855074 (11 worldwide citation)

A method and apparatus for controlling the operation of a one feed, two-product multi-component distillation column to obtain products of the desired quality. Temperatures measured near the product withdrawal points are added and used as an index of the split between overhead and bottom products. Th ...

Gehri Aime: Fuel element shipping shim for nuclear reactor. Exxon Nuclear Company, Paris F Donald, August 19, 1975: US3900116 (10 worldwide citation)

A shim for use in the transportation of nuclear reactor fuel assemblies comprising a member preferably made of low density polyethylene designed to have three-point contact with the fuel rods of a fuel assembly and being of sufficient flexibility to effectively function as a shock absorber. The shim ...