초록 ▼

A pipe connection fitting having at one end a tapered edge (1) which communicates at its base with tightening nut (2) which communicates with male pipe threads (3) which communicates with extension member (4) having an angle cut (6) with a flow port (5) through the center of the fitting. Positive di

A pipe connection fitting having at one end a tapered edge (1) which communicates at its base with tightening nut (2) which communicates with male pipe threads (3) which communicates with extension member (4) having an angle cut (6) with a flow port (5) through the center of the fitting. Positive differential pressure is created by installing a differential pressure fitting facing into the fluid stream of a flow line. Negative differential pressure is created by installing a differential pressure fitting facing away from the fluid stream of a flow line. Tubing connects the fittings to a pressure tank containing the fluid to be injected in the flow line. Fluid flow past the fittings in the flow line motivates flow from the flow line to the pressure tank and from the pressure tank back to the flow line. The fitting being made of rigid plastic or metal.

대표청구항 ▼

A pipe connection fitting having at one end a tapered edge (1) which communicates at its base with tightening nut (2) which communicates with male pipe threads (3) which communicates with extension member (4) having an angle cut (6) with a flow port (5) through the center of the fitting. Positive di

A pipe connection fitting having at one end a tapered edge (1) which communicates at its base with tightening nut (2) which communicates with male pipe threads (3) which communicates with extension member (4) having an angle cut (6) with a flow port (5) through the center of the fitting. Positive differential pressure is created by installing a differential pressure fitting facing into the fluid stream of a flow line. Negative differential pressure is created by installing a differential pressure fitting facing away from the fluid stream of a flow line. Tubing connects the fittings to a pressure tank containing the fluid to be injected in the flow line. Fluid flow past the fittings in the flow line motivates flow from the flow line to the pressure tank and from the pressure tank back to the flow line. The fitting being made of rigid plastic or metal. is activated on a substantially continuous basis. 9. An apparatus for preventing fire ants from gaining access to a select area having a defined path, comprising: means for providing a low impedance electrical stimulating source in the defined access path that, when activated, attracts fire ants to contact the stimulating source and become agitated to a point that ants from a common colony attack each other; and means for activating the low impedance electrical stimulating source to cause the fire ants to cluster around and contact the stimulating source such that current passes through the fire ants, the fire ants becoming agitated as a result of the contact with the electrical stimulating source, such that the fire ants fall away from the stimulating source and away from the select area; wherein said stimulating source is an AC voltage, whose amplitude is low enough not to kill the ants or harm other beings, but high enough to disrupt the nervous systems of the ants to the extent that they attack one another; wherein the low impedance electrical stimulating source operates at a predetermined nominal frequency that varies as a function of load across the access path. 10. A method for preventing fire ants from gaining access to a select area having a defined access path, comprising the steps of: disposing a low impedance electrical stimulating source in the defined access path that, when activated, will attract fire ants to contact the electrical stimulating source and become agitated to the point that ants from a common colony will attack each other; and activating the low impedance electrical stimulating source to cause the fire ants to cluster around and contact the electrical stimulating source such that current passes through the fire ants, the fire ants becoming agitated as a result of the contact with the electrical stimulating source, such that the fire ants fall away from the electrical stimulating source and away from the select area; wherein said electrical stimulating source has an amplitude that is low enough not to kill the ants or harm other beings; wherein the low impedance electrical stimulating source is an AC electrical source operating at a predetermined nominal frequency that varies as a function of load across the access path. 11. The method of claim 10, wherein said low impedance electrical stimulating source is activated on a substantially continuous basis. 12. A method for preventing fire ants from gaining access to a select area having a defined access path, comprising the steps of: disposing a low impedance electrical stimulating source in the defined access path that, when activated, will attract fire ants to contact the stimulating source and become agitated to a point that ants from a common colony will attack each other; and activating the low impedance electrical stimulating source to cause the fire ants to cluster around and contact the stimulating source such that current passes through the fire ants, the fire ants becoming agitated as a result of the contact with the electrical stimulating source, such that the fire ants fall away from the stimulating source and away from the select area; wherein said stimulating source is an AC voltage, whose amplitude is low enough not to kill the ants or harm other beings, but high enough to disrupt the nervous systems of the ants to the extent that they attack one another; wherein the low impedance electrical stimulating source is an AC electrical source operating at a predetermined nominal frequency that varies as a function of load across the access path.