Graco Minnesota Inc.

Nicholas K Studt

Joseph E Tix

Mark T Weinberger

Bryce J Gapinski

Richard D Anderson

Daniel P Ross

Matthew R Theisen

Brandon K Falkenberg

John W Turner

Arthur T Graf

Jeffrey N Velgersdyk

Mark J Brudevold

Andrew J Ericson

Nicholas P Peterson

Erich W Beckmann

Bryan K Colby

Andrew M Spiess

Kenneth C Floer

Stephen P Schneider

James A Lingenfelter

Thomas C Grau

Gregory A Regenscheld

Banjamin R Godding

An electrically operated pumping assembly for a plural component spray system includes an electric motor () having a stator () and a rotor (). The rotor is disposed coaxially with first and second pumps () and is configured to cause pumping by each of the first and second pumps. The first and second pumps are configured to pump different component materials to an applicator () for forming a plural component spray material. A drive mechanism () is disposed between and connected to each of the rotor and the fluid displacement members () of the first and second pumps. The drive mechanism receives a rotational output from the rotor and provides a linear input to the first and second pumps to cause pumping.

Electrically operated pump for a plural component spray system

A heated whip hose includes a hose core configured to deliver a fluid, a heating element disposed around the hose core, a protective layer disposed around the heating element and hose core, an insulating layer disposed around the protective layer, and an abrasion protection layer disposed around insulating layer and forming an outer sheath.

Heated whip hose

A vapor blast system includes a pressure pot with an upper end and a main body, a fill inlet attached to the upper end of the pressure pot, and a seal assembly disposed in the pressure pot. The seal assembly is configured to control a flow of a fluid between the pressure pot and the fill inlet. The seal assembly includes a pop-up seal, a pipe, and a spring. The pop-up seal comprises an upper surface, a lower surface disposed opposite the upper surface, a blind hole disposed in the upper surface, a bore disposed in the lower surface, and a centerline axis disposed through a center of the pop-up seal. The pipe is attached to a lower surface of the pop-up seal, wherein a portion of the pipe is received by the bore. The spring is disposed in the bore and engaged with the pipe.

Machined pop up seal

A vapor abrasive blast system includes a pump for pumping a water stream to a pressure vessel for pressurizing the pressure vessel to a pot pressure. A water regulator is disposed to regulate the water stream to a fixed water pressure, such that the water stream entering the pressure vessel has the fixed water pressure. The pressure vessel contains a blasting mixture, comprising an abrasive media and water, for introduction to a compressed air stream and application to a substrate. The water entering the pressure vessel has the fixed water pressure to control the pot pressure. The water regulator is configured to output the water stream such that the fixed water pressure is greater than a compressed air pressure in the compressed air stream.

Vapor blast system with fixed pot pressure

A blasting system includes a pressure vessel, water pump, blast circuit, motor, orifice valve, and controller. The pressure vessel is configured to contain a pressurized blast media slurry. The water pump pumps water from a water supply to the pressure vessel. The blast circuit delivers the pressurized blast media slurry received from the pressure vessel. The motor drives the water pump. The orifice valve regulates a rate of flow of the blast media slurry to the blast circuit. The controller provides control commands to the water pump or the orifice valve based on a blast media flow rate set point and at least one sensed operating parameter.

Vapor abrasive blasting system with closed loop flow control

A feed assembly for a melter includes a funnel, an inlet into the funnel, and a fan baffle situated atop the funnel. The funnel is oriented along a vertical axis, and has a funnel surface that narrows towards an outlet into the melter. The inlet is angled tangent to and downward towards the funnel surface to inject meltable pellets onto the funnel surface in a vortex pattern. The fan baffle is situated atop the funnel, and has a plurality of blades angled to oppose the vortex pattern so as to permit airflow but redirect the meltable pellets from the inlet towards the funnel surface.

Hot melt system feed assembly

An adhesive melting system comprises a melter, an ultrasonic sensor, and a feed system. The melter contains and melts adhesive. The ultrasonic sensor is positioned to sense a level of adhesive in the melter. The feed system supplies unmelted adhesive to the melter as a function of the sensed level of adhesive in the melter.

Hot melt level sensor and sensor housing

A pumping system comprises an internal combustion engine, a generator, a pumping unit and a heat recovery system. The generator is driven by the internal combustion engine. The pumping unit is powered by the generator. The heat recovery system thermally couples the internal combustion engine with the pumping unit.

Waste heat recovery system for pumping system

Plural component proportioner

Adhesive melter

Growing community of inventors

Roberts, WI, United States of America

Nicholas K Studt