Graco Minnesota Inc.

Matthew R Theisen

Mark T Weinberger

William M Blenkush

Christopher A Lins

Mark J Brudevold

Joseph E Tix

Thomas F Janecek

Nicholas K Studt

Paul R Quam

Daniel P Ross

Richard D Anderson

Steven Dale Becker

Mark D Shultz

David M Larsen

Parker J Haffley

Arthur T Graf

Robert J Lind

Jeffrey N Velgersdyk

Benjamin R Godding

Nicholas P Peterson

Andrew J Ericson

Alexander J Daeger

Bryan K Colby

Bryce J Gapinski

Andrew M Spiess

Jeremy P Jurmu

Kenneth C Floer

Erich W Beckmann

Matthew R Smith

James A Lingenfelter

Gregory A Regenscheld

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

An adaptive hot melt feed system includes a melt system, a feed system, a gas control device, a sensor, and a controller. The melt system includes a heated vessel. The feed system is configured to deliver a solid material to the vessel of the melt system for melting. The gas control device is configured to control a supply of gas provided to the feed system to drive the solid material from the feed system to the melt system. The sensor can be configured to detect an amount of material in the vessel of the melt system. The controller is in electronic communication with the gas control device and is programmed to signal the gas control device to vary the supply of gas to the feed system based on a fill metric determined by the controller.

Adaptive hot melt feed

A retaining system for a solenoid assembly of a liquid adhesive dispensing system includes a quick-release mechanism configured to secure the solenoid assembly in place. The quick-release mechanism engages an air tube of the solenoid and thereby secures the entire solenoid assembly to a manifold. The quick-release mechanism can release the solenoid, facilitating easy removal of the entire solenoid assembly, by a simple turning, pushing, or pulling action on the quick-release mechanism. The released solenoid can then be removed and replaced, thereby minimizing downtime caused due to the replacement of a faulty solenoid.

Quick release solenoid assembly

A bellow seal of a fluid dispensing system is disclosed. The bellow seal having a generally circular cross section includes a first end having a first diameter. The bellow seal further includes a second end having a second diameter that is smaller than the first diameter of the first end. The bellow seal further includes a contoured external surface extending between the first end and the second end. The external surface includes a cylindrical portion extending from the first end, an undulating portion, (which includes a convex portion extending from the cylindrical portion and a concave portion extending from the convex portion), and a tapered portion extending from the concave portion to the second end. The bellow seal further includes a flexible region defined between a first point located on the cylindrical portion and a second point located on the concave portion.

Bellows fluid seal

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

Adhesive melter

Vertical driver shroud

Heater board enclosure

Growing community of inventors

Woodbury, MN, United States of America

Matthew R Theisen