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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7357565 | Fluid injector and mixer apparatus An improved injector which mixes a secondary fluid into a carrier fluid stream has (a) a body for directing the flow of the carrier fluid, this body having an internal wall forming a flow passage therethrough, a central axis, an inlet, an outlet, and a port for rece... | 04/15/2008 |
| 7341448 | Gas-fired heating apparatus The gas-fired heating apparatus, especially a water heater, has a combustion chamber (2a); an atmospheric gas burner (5) within the combustion chamber (2a); a combustion gas/air supply system (18) having an intake device ( | 03/11/2008 |
| 7152619 | Air tap assembly An air tap assembly includes a mounting seat, a connecting member, a stop member, and an end cap. Thus, the stop plate of the stop member prevents the air in the air cushion from leaking outward through the vent holes of the connecting member, so that the air tap as... | 12/26/2006 |
| 7108014 | Liquid diluting device A diluent passage 12 to introduce special liquid and a rinse liquid supply passage 13 which is separate from the diluent passage 12 are formed in the main body 10, and a plurality of jets are disposed at a cylindrical dial 18. A wa... | 09/19/2006 |
| 6858381 | Method and apparatus for forming silver halide emulsion particles and method for forming fine particles The mixing state of static mixing is optimized, so that it is possible to form silver halide emulsion particles in small sizes with an excellent mono-dispersion characteristic. An aqueous solution of haloid salt is blown out from a first nozzle into a mixing chamber... | 02/22/2005 |
| 6748846 | Solenoid valve, vacuum booster diaphragm subassembly, and vacuum booster assembly A solenoid valve includes a valve housing having first, second, and third valve ports, an actuation rod, a first tip valve actuated by the first end of the actuation rod to allow or block fluid passage through the first valve port, and a second tip valve actuated by... | 06/15/2004 |
| 6523991 | Method and device for increasing the pressure or enthalpy of a fluid flowing at supersonic speed A method and apparatus for increasing the pressure or rise of the enthalpy of a fluid flowing at supersonic, includes mixing vapor with liquid, and accelerating this mixture to supersonic speed, whereupon a condensation shock is triggered and wherein addi... | 02/25/2003 |
| 6250324 | In-line venturi An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream is disclosed. A plate having a first aperture leading to th... | 06/26/2001 |
| 6240953 | Multiple cleaning chemical dispenser A cleaning chemical dispenser is provided. The dispenser includes bowl assemblies accommodating inverted containers with solid cast cleaning chemicals. The chemical dispenser generates cleaning chemical solutions by spraying a solvent such as water onto t... | 06/05/2001 |
| 6196269 | Conveying injector A powder-conveying injector to move coating powder and wherein the jet catching duct(8) of the conveying jet nozzle (4) is made of glass.... | 03/06/2001 |
| 6095675 | Multi-port venturi mixer A multi-port venturi contains at least one inlet and an inlet chamber, a first plurality of inlet channels, a second plurality of outlet channels, a mixing chamber in fluid communication with said first and second pluralities of channels, and at least one... | 08/01/2000 |
| 5881756 | Process and apparatus for homogeneous mixing of gaseous fluids A process and apparatus for premixing a gaseous fuel and air, the apparatus comprising a back plate having a plurality of back plate openings, a front plate having a plurality of front plate openings corresponding to and substantially aligned with the bac... | 03/16/1999 |
| 5799831 | Dual aspirator A foaming system 10 includes a dual aspirator 13. The dual aspirator 13 has first and second aspirators 80 and 81 to pick up a first and second chemical concentrate. The diluent first chemical mixture is drawn in through the first aspirator 80 and goes th... | 09/01/1998 |
| 4765373 | Gas flow amplifier A gas flow amplifier has a housing defining an axially extending cylindrical chamber. A hollow truncated conical diffuser diverges outwardly from one end of the chamber, and a high pressure primary gas is introduced into the chamber at its opposite end in... | 08/23/1988 |
| 4722363 | Additive injection system for fluid transmission pipelines A system for injecting fluid additive into a fluid transmission pipeline including a branch conduit in communication with the pipeline, a pump in the branch conduit for raising the pressure of fluid withdrawn from the pipeline, and an eductor having a bra... | 02/02/1988 |
| 4641679 | Feed device for a two-phase fluid pump and a hydrocarbon producing installation with such feed device A feed device for a two-phase fluid pump enabling the pump to be supplied with a two-phase fluid having characteristics, especially the volumetric ratio of the gaseous phase to the liquid phase, compatible with the operating characteristics of the pump. T... | 02/10/1987 |
| 4612926 | Dual-range aspirator device An aspirator/nebulizer for use in inhalation therapy has dual oxygen nozzles extending into a cylindrical chamber into which air can be aspirated in a controlled manner via closable air holes. A 50 psig oxygen source can be diluted to atmospheric air to y... | 09/23/1986 |
| 4573803 | Injection nozzle A nozzle of especial usefulness for injecting corrosive acids into geothermal brines and the like comprises a substantially straight, tubular injector body and a plurality of pairs of injection tubes connected such that the axial bores of the injection tu... | 03/04/1986 |
| 4405087 | Fluid mixing technique One non-propelled fluid resident in a reservoir is sucked into the flow path of a further fluid in transit propelled by fluid pressure. This is achieved by means of inducing a spiral cyclone path flow pattern in the propelled fluid to create a converging ... | 09/20/1983 |
| 4329853 | Mix over-run device This invention pertains to machines for freezing and dispensing a confectionery product, particularly soft ice cream and milk shakes. The invention is particularly addressed to an improved mix over-run control for controlling the flow of air and liquid pr... | 05/18/1982 |
| 4072170 | Pressure-relieving device for steam generators and the like The pressure in a high-pressure steam boiler or other pressure fluid tank is occasionally relieved by means of a discharge device having a pressure-relief valve mounted on an ejection conduit opening into a hood connected to a discharge conduit. A break i... | 02/07/1978 |
| 4058296 | Mixing apparatus An apparatus is provided for mixing two or more fluids together in a desired ratio. The mixing apparatus includes primary and secondary conduits, one extending from a source of a first fluid and the other extending from a source of a second fluid, and a d... | 11/15/1977 |
| 4041984 | Jet-driven helmholtz fluid oscillator A jet-driven Helmholtz fluid oscillator having two openings located coaxially in opposite walls of a chamber. A fluid jet enters through one opening, the inlet, at a constant flow rate and exits through the other opening, the outlet, at a pulsating or osc... | 08/16/1977 |
| 4010768 | Two-stage jet pump proportioner A multiple stage jet proportioning and mixing pump system in which any variation occurring in the proportion ratio of the ultimate solution is confined essentially in the first proportioning stage operating at a low ratio below 1 to 5 with initial conflue... | 03/08/1977 |
| 3938550 | Continuous flow ratio monitor A solution dispensing proportioner utilizing a varyingly pressurized solvent and a solute having a vagrant negative gauge pressure and a tracer that is detectable in proportion to its concentration. The proportioner aspirates the solute and tracer through... | 02/17/1976 |
| 3933179 | Water and concentrate supply valves for proportioning mixer-dispenser A portable mixing-dispensing device having a manual flow control valve means between a ventable flow control chamber and a solution-proportioning chamber, and a manual feed valve between the proportioning device and a source of concentrate supplied at a n... | 01/20/1976 |
