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Chemical injection pump

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Method and apparatus for metering injectionpump flow

A system for metering a fluid, such as a catalyst in an industrial chemical process plant, includes a controller, a drive pump assembly and an injectionpump assembly. The drive pump assembly forces reciprocation of the injectionpump...

Stars: 68 Updated: February 24th,2018

Positive displacement injectionpump

Positive displacement injectionpump United States Patent 8087345 Abstract: A reciprocating drive mechanism having a housing with upper and lower internal chambers with a spool slidably ...In preferred plastic embodiments, the materia...

Stars: 46 Updated: February 24th,2018

Injectionpump flow considerations for center pivots with corner watering systems.

Injecting chemicals at constant rates into centre pivots equipped with either end guns or swing-booms results in systematic chemical application rate er...

Stars: 105 Updated: February 24th,2018

Chemicalinjector system for piston pumps

An injector device for a plunger-type pump of the type having one or more cylinders, an intake valve for each cylinder operatively disposed between the pump's low pressure inlet port and each of its cylinders and outlet valve(s) for e...

Stars: 52 Updated: February 24th,2018

Subsea chemicalinjection system and pumps therefor

A high pressure pump for use in the injection of liquid chemicals into subsea oil or gas wells, and intended to be positioned in the subsea environment adjacent to the wellhead, comprises a piezoelectric actuator ( 19 ) for reciprocat...

Stars: 65 Updated: February 24th,2018

Liquid additive injectionpump with mixing chamber and one way valve

A liquid additive injectionpump for injecting a predetermined amount of a secondary fluid into a primary fluid stream wherein a fluid mixing chamber is disposed within the pump housing assembly. A gasket having at least one one-way v...

Stars: 87 Updated: February 24th,2018

Encapsulation of cells/substances uses an injectionpump to form small spherical particles in an immobilizing mixture with external ...

For the encapsulation of cells or biological/chemical substances, they are formed by a jet into small and spherical particles through vibration in an immobilizing mixture. The vibration is through an injectionpump (1,2) containing th...

Stars: 174 Updated: February 24th,2018

Chemicalinjector pump

The liquid pressure capacity of a chemicalinjector pump is increased substantially by using high pressure gas to drive the gas motor. In one embodiment, the chemicalinjector pump includes a liquid pump end, a gas motor end, a low pr...

Stars: 27 Updated: February 24th,2018

Electronic injection timing control for fuel injectionpumps

The injection timing of a fuel injectionpump is controlled by displacement of a helical splined sleeve interconnecting a driving shaft and an injectionpump drive shaft to vary the angle between the... parameters, such as the tempera...

Stars: 77 Updated: February 24th,2018

Fluid injectionpump with internal air actuator valve

A injectionpump includes a needle valve which is disposed in the pump body cap. An air actuator valve is disposed in the pump piston head. The amount of air fed is controlled by the gap between the needle valve and a needle valve sea...

Stars: 68 Updated: February 24th,2018

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