Michael J Carlson

US Patent:

20070034580, Feb 15, 2007

Filed:

Aug 11, 2005

Appl. No.:

11/202737

Inventors:

Matthew Stein - Northfield MN, US
Michael Carlson - Waconia MN, US

International Classification:

B01D 27/00

US Classification:

210791000, 210232000, 210440000

Abstract:

A valve assembly includes a retainer, a knob connected to the retainer, and a seal member. A filter arrangement includes a housing, a media pack operably oriented in the interior volume of the housing, a retainer operably oriented in a valve opening in the housing, a knob, and a seal member. The retainer defines a knob-receiving bore. The knob includes a base external to the housing and defines a drain hole. The knob also includes a tube extending from the base and through the knob-receiving bore into the interior volume of the housing. The tube defines an open interior in fluid communication with the interior volume of the housing, and an aperture arrangement to provide fluid communication between the tube open interior and a region external to the tube. The seal member is axially moveable relative to the housing to selectively form a seal between the base of the knob and a sealing surface of the housing. A method of draining a filter member includes rotating a knob relative to a retainer held by a filter housing to: release a seal between the knob and the housing; open a fluid channel between an interior of a tube and a drain hole and a base of the knob; and open a vent hole extending through the tube, the vent hole being located between a free end of the tube and the fluid channel.

US Patent:

20090326725, Dec 31, 2009

Filed:

May 15, 2009

Appl. No.:

12/466534

Inventors:

Michael James Carlson - Minnetonka MN, US
Raymond E. Gogel - Castle Rock CO, US
John R. Bryan - Denver CO, US

International Classification:

G06F 1/28
G06Q 30/00
G06Q 10/00
G06Q 50/00

US Classification:

700291, 705412, 705 34, 700295, 700297

Abstract:

A system for monitoring and managing electric power consumption at a customer location includes a plurality of devices located at various points on a mains distribution network at the customer location, each of the devices being programmed to monitor electric power consumption, and a central processing device located at the customer location, the central processing device being programmed to receive the electric power consumption information from the devices, analyze the electric power consumption information, and manage future electric power consumption based on the electric power consumption information.

US Patent:

20100293906, Nov 25, 2010

Filed:

Sep 5, 2008

Appl. No.:

12/733499

Inventors:

Jordan S. Flagstad - E. Bethel MN, US
Michael D. Carlson - Chanhassen MN, US

Assignee:

Donaldson Company, Inc. - Minneapolis MN

International Classification:

B01D 46/52
B01D 46/00
B01D 35/30
B32B 38/18

US Classification:

55326, 55497, 55499, 55357, 55478, 156191

Abstract:

An air filter cartridge arrangement, an air cleaner assembly, and components therefor, are provided. The air filter cartridge generally has perimeter shape with a straight side and an opposite arched side. The filter cartridge includes a media pack comprising strips of single facer material, each strip comprising fluted sheet secured to a facing sheet. In an example depicted, arch-shaped sections of single facer material are nested within one another, to form media pack having a perimeter D-shape. An air cleaner assembly configured for receipt of filter cartridge is described. A particular assembly, convenient for mounting on the cowl, cowling or engine cover of an over-the-highway truck, is provided.

US Patent:

20170234277, Aug 17, 2017

Filed:

Jan 27, 2017

Appl. No.:

15/417389

Inventors:

- Minneapolis MN, US
Michael Carlson - Chanhassen MN, US

International Classification:

F02M 35/024
B01D 46/52
B01D 46/42
B01D 46/00

Abstract:

An air filter cartridge for use with an air cleaner assembly is provided. A variety of features for the air filter cartridge are characterized. An example air filter cartridge is depicted, which includes opposite flow faces. A preform secured to the media pack, with a seal member is described. An example seal member described has an outer perimeter shape that is not rectangular, not circular, and not oval.

US Patent:

20150023845, Jan 22, 2015

Filed:

May 19, 2014

Appl. No.:

14/280924

Inventors:

- Minneapolis MN, US
Michael Carlson - Chanhassen MN, US

Assignee:

Donaldson Company, Inc. - Minneapolis MN

International Classification:

B01D 53/94

US Classification:

422171

Abstract:

An air filter cartridge arrangement, an air cleaner assembly, and components therfor, are provided. The air filter cartridge generally has perimeter shape with a straight side and an opposite arched side. The filter cartridge includes a media pack comprising strips of single facer material, each strip comprising fluted sheet secured to a facing sheet. In an example depicted, arch-shaped sections of single facer material are nested within one another, to form media pack having a perimeter D-shape. An air cleaner assembly configured for receipt of filter cartridge is described. A particular assembly, convenient for mounting on the cowl, cowling or engine cover of an over-the-highway truck, is provided.