Patents Represented by Attorney Charles R. Engle
  • Patent number: 4966491
    Abstract: A Subsurface Dune Protection System making use of a wedge-shaped geotextile container of such size it must be filled with a sand slurry or water in situ. The wedge-shape permits provision of a slope to an upper wave impacting surface for dissipation of wave forces and accretion of sand on a dune surface being protected. The container can be divided into cells so that each cell presents a particular wave impacting surface as the cells increase in height as they progress landward. The cells are formed by walls of impermeable material for filling with water in rapid emergency installations and can later be filled with wet sand as the water is displaced for a permanent installation. The impermeable walls cause the sand to remain wet substantially increasing weight of the container. The substantial length, width and weight of the container provide significant resistance to storm wave forces.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: October 30, 1990
    Inventor: Jay W. Sample
  • Patent number: 4919567
    Abstract: A Subsurface Dune Restoration System making use of large sand-filled geotextile containers which become somewhat fluid and flexible during wave run-up on a surface being protected providing a soft revetment. A fluid transfer system is operable to both fill the containers and support them in an installed position. The containers are effective to dissipate wave action and aid natural accretion by slowing water velocity while not providing a rigid or hard revetment. The reduction of the wave force and water velocity and the soft revetment surfaces are the result of use of container materials having predetermined permeability and weather resistant characteristics. The permeability is limited to ranges permitting seepage of water while retaining the sand within the containers.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: April 24, 1990
    Inventor: Jay W. Sample
  • Patent number: 4813302
    Abstract: A speed changing mechanism operable during both kinetic and static conditions. A gear 28 driven by bicycle pedals 30 in turn drives gear 32. Holes 38 in the face of the latter gear are engaged by gear 64 which is integral with output shaft 42. One end 72 of the output shaft is loosely supported in cup 78 whereby the shaft may be laterally shifted, then axially shifted so that gear 64 is withdrawn from one set of the holes 38, then reengaged with another set of the holes 38.
    Type: Grant
    Filed: April 29, 1987
    Date of Patent: March 21, 1989
    Inventor: Robert P. Davidow
  • Patent number: 4739754
    Abstract: A medicinal inhalator utilizing a restriction chamber to mix pressurized medication with air drawn through a filter in a supply duct and to create a flow resistance necessarily causing the medication and air mixture to be drawn into the lungs of the user. The inhalator includes a supply duct which receives a pressurized container of medication, the medication being released upon depression of the container against a surface of a boss formed in the supply duct. The pressurized medication flows through a transmission passage and is mixed with incoming air in a restriction chamber containing a rotating turbine which is in fluid communication with a mouthpiece incorporating a venturi increasing air flow velocity. The restriction chamber can include one or a plurality of rotating turbines in series providing desired predetermined resistance to suction during use of the inhalator.
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: April 26, 1988
    Inventor: William T. Shaner
  • Patent number: 4729691
    Abstract: A backshore sill beach and dune erosion control system including a supporting apron of a permeable fabric spread across a shoreline area of beach and dune being protected and held in place by a toe scour protection tube and further including a plurality of sand-filled geotextile containers which are placed upon the supporting apron in an end to end relationship along the shoreline providing a predesigned soft force absorbative horizontal surface decreasing water velocity upon impact therewith.
    Type: Grant
    Filed: November 4, 1986
    Date of Patent: March 8, 1988
    Inventor: Jay W. Sample
  • Patent number: 4512326
    Abstract: A compound lever bow including oppositely extending rigid limbs each rotatably supporting lever mechanisms. A pair of flexible limbs are secured to the bow overlying respective rigid limbs. A bowstring is connected to each of the lever mechanisms. Also a separate force cable is connected between each terminal end of the flexible limbs and respective lever mechanisms. The lever mechanisms each are provided with a stop limiting rotation thereby preventing an over-center condition. The lever mechanisms include pulleys receiving a synchronizing cable evenly distributing pull forces on the bowstring to the ends of the rigid limbs. The bowstring connections, the force cable connections and the lever mechanism pivot points are placed to provide a second class lever mechanical advantage. Rotation of the lever mechanisms to place the cable connecting points and the lever mechanisms pivot points in a near straight position reduces the shooting-hold force to near zero.
    Type: Grant
    Filed: April 20, 1982
    Date of Patent: April 23, 1985
    Inventor: David W. Jarrett
  • Patent number: 4277012
    Abstract: A two part die set and method including an upper die half supporting a male die and a lower die half containing a spring biased female die receiving the male die and cutting out an area of a panel placed therebetween. The die set is actuated by a conventional machine press of the type having a ram movable toward a fixed bed. The male punch includes a shank and an annular groove forming an area of reduced diameter supporting a ferrule with integral fastening tines. Extended movement of the punch into engagement with the panel cuts out an area of said panel and further extended movement moves the tines through the panel. Continued extended movement of the male die moves the ferrule downwardly and engages angular portions of the tines with the peripheral edge of the cut out in the panel deflecting the tines outwardly on the underneath side of the panel.
    Type: Grant
    Filed: February 8, 1980
    Date of Patent: July 7, 1981
    Assignee: General Motors Corporation
    Inventor: Robert R. Mercer
  • Patent number: 4248707
    Abstract: Disclosed is novel apparatus and method for introducing various gasses into liquids. This as is commonly done in aerating or oxygenating liquids where growing aquatic life such as fish; instances concerning lagoon and pond treatment, absorption of oxygen in sewage or sewage-activated sludge mixture, introduction of chlorine or carbon dioxide gas into water for chemical treatment thereof. The method includes water treatment comprising the improved diffuser, aerator or sparger apparatus with the result of substantial enlargement in the known beneficial effects of such treatments; also, substantial and unexpected attendant benefit attributable to function of the diffuser apparatus. Principally the apparatus and method reduces the viscosity of water reducing the hydrogen bonding thereof at the time when presented for gas absorbtion. This when utilizing gas for aqueous liquid treatment or treatment of water with suspended pollutants.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: February 3, 1981
    Assignee: Thompson Marine Corporation
    Inventor: Steven T. Granger
  • Patent number: 4229389
    Abstract: Disclosed is novel apparatus and method for introducing various gasses into liquids. This as is commonly done in aerating or oxygenating liquids where growing aquatic life such as fish; instances concerning lagoon and pond treatment, absorption of oxygen in sewage or sewage -activated sludge mixture, introduction of chlorine or carbon dioxide gas into water for chemical treatment thereof. The method includes water treatment comprising the improved diffuser, aerator or sparger apparatus with the result of substantial enlargement in the known beneficial effects of such treatments; also, substantial and unexpected attendant benefit attributable to function of the diffuser apparatus. Principally the apparatus and method reduces the viscosity of water reducing the hydrogen bonding thereof at the time when presented for gas absorbtion. This when utilizing gas for aqueous liquid treatment or treatment of water with suspended pollutants.
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: October 21, 1980
    Assignee: Thompson Marine Corporation
    Inventor: Steven T. Granger
  • Patent number: 4227294
    Abstract: A two part die set and method including an upper die half supporting a male die and a lower die half containing a spring biased female die receiving the male die and cutting out an area of a panel placed therebetween. The die set is actuated by a conventional machine press of the type having a ram movable toward a fixed bed. The male punch includes a shank and an annular groove forming an area of reduced diameter supporting a ferrule with integral fastening tines. Extended movement of the punch into engagement with the panel cuts out an area of said panel and further extended movement moves the tines through the panel. Continued extended movement of the male die moves the ferrule downwardly and engages angular portions of the tines with the peripheral edge of the cut out in the panel deflecting the tines outwardly on the underneath side of the panel.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: October 14, 1980
    Assignee: General Motors Corporation
    Inventor: Robert R. Mercer
  • Patent number: 4224048
    Abstract: A fertilizer product and method for providing controlled application of high analysis fertilizer. A controlled initial light release of a water soluble plant food consistent with growth requirements of the plant is provided. As the plant increases in size and requires an increase of plant food the subject fertilizer and method supplies increasing amounts of plant food without fertilizer burning. The subject product and method includes a water expandable reverse osmosis membrane barrier, preferably in the form of a collar providing a source of plant food released in controlled varying amounts as required by plant growth.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: September 23, 1980
    Assignee: Products by Hector, Incorporated
    Inventor: Edward B. Pendergast
  • Patent number: 4164063
    Abstract: A process of making a locking collar for retaining bearings on a shaft by first compacting and sintering powdered metal to form a collar having an eccentric counterbore with a relative precise chamfered surface on the collar end around the counterbore. The collar end is then swaged forming a back taper on the counterbore inner peripheral surface while providing a predetermined counterbore inner diameter.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: August 14, 1979
    Assignee: General Motors Corporation
    Inventors: John Cenko, Thomas C. Pechauer
  • Patent number: 3961538
    Abstract: An adjustable pulley of the split-sheave type is formed of stamped sheet metal and is retained assembled by a Belleville spring engaging deformations on one sheave part and a tang struck from the other sheave part. One sheave part has a plurality of cam seats facing a mating portion on the other sheave part, the latter having a plurality of cam surfaces of varying heights thereon. The cam surfaces are deformed areas projecting a predetermined distance toward the cam seats. Rotation of one sheave part to position particular cam surfaces upon the cam seats places the sheaves a predetermined axial distance apart establishing a predetermined effective belt groove width permitting use of various belts.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: June 8, 1976
    Assignee: General Motors Corporation
    Inventor: Ronald L. Phillips
  • Patent number: 3952709
    Abstract: An orbital vane rotary machine including a housing defining a cavity having two halves, each half being a cylinder which intersects with the other at a cavity minor axis. The centers of the cylinders are spaced a predetermined distance defining a cavity major axis. Trunnions are secured to the housing at each cylinder center and vanes of separate vane sets rotate about the trunnions while extending and retracting in slots in a rotor connected to an output shaft. The vanes extend and engage the housing while rotating through the cavity half where their trunnion is located and retract while rotating through the other cavity half.
    Type: Grant
    Filed: October 23, 1974
    Date of Patent: April 27, 1976
    Assignee: General Motors Corporation
    Inventor: John W. Riddel
  • Patent number: 3952708
    Abstract: A rotary combustion engine rotor having spark plug receiving recesses formed in its respective peripheral faces, each recess releasably mounting an elongated spark plug assembly. The elongated spark plug assembly is configured for insertion and removal through either an exhaust port in the engine housing or through an access port in the housing, the latter being closed by a suitable plug having a thickness less than the engine housing. The provision of an elongated plug having one or more spark gaps provides a means for mounting the spark plug assembly on the rotor and for the insertion and removal thereof without engine disassembly.
    Type: Grant
    Filed: October 16, 1973
    Date of Patent: April 27, 1976
    Assignee: General Motors Corporation
    Inventor: Harvey A. Burley
  • Patent number: 3930767
    Abstract: A multi-apex rotary combustion engine rotor has simplified side face circular compression seals mounted in circular grooves passing across the face of corner button seals. The button seals are of a substantially enlarged diameter permitting machining of the circular seal grooves in the rotor side face.
    Type: Grant
    Filed: July 16, 1974
    Date of Patent: January 6, 1976
    Assignee: General Motors Corporation
    Inventor: Jack A. Hart