Sean M Mcgowan

US Patent:

8474415, Jul 2, 2013

Filed:

Feb 10, 2011

Appl. No.:

13/024798

Inventors:

Joseph J. Noonchester - New Hudson MI, US
Sean M. McGowan - Northville MI, US
Karl R. Gilgenbach - Rochester Hills MI, US

Assignee:

GM Global Technology Operations LLC - Detroit MI

International Classification:

F01P 7/14

US Classification:

123 4108, 123 4101, 1375133, 1375135, 13754323, 137494, 137495

Abstract:

A valve assembly for a fluid system is provided. The valve assembly includes a damping component to reduce undesired pressure fluctuations within the system. The valve assembly includes a valve guide member and a valve member at least partially situated around the valve guide member. The valve member may be slidable relative to the valve guide member. The valve member is configured to move between a first valve member position that substantially permits fluid flow from the fluid system through the valve assembly, and a second valve member position that substantially prevents fluid flow from the fluid system through the valve assembly. A metering hole is formed on the valve member and adapted to dampen the motion of the valve member from the first valve member position to the second valve member position.

US Patent:

20200309120, Oct 1, 2020

Filed:

Apr 1, 2019

Appl. No.:

16/371874

Inventors:

- Detroit MI, US
Sean McGowan - Northville MI, US

International Classification:

F04C 14/22

Abstract:

An automobile vehicle variable displacement pump includes a pump body having a pump shaft extending through the pump body. A rotor is connected to the pump shaft and co-rotates with the pump shaft. The rotor has multiple radially outwardly directed slots. A vane support ring supports multiple vanes, the vanes individually slidably received in one of the slots of the rotor. A slide is rotatably connected to the pump body having the rotor and the vane support ring positioned within an inner wall of the slide. A bow spring plate defining a biasing member directly contacts the slide to bias the slide to rotate about an arc of curvature.

US Patent:

20200232458, Jul 23, 2020

Filed:

Jan 22, 2019

Appl. No.:

16/253546

Inventors:

- DETROIT MI, US
Sean M. McGowan - Northville MI, US

International Classification:

F04C 2/18
F04C 15/00

Abstract:

A gear pump that is used to pump fluid, such as oil, in a vehicle. The gear pump comprises a gear assembly having a drive shaft including a drive shaft key; a set of drive gears mounted on the drive shaft, with a drive gear of the set of drive gears being keyed with the drive shaft key; a driven shaft including a driven shaft key; a set of driven gears mounted on the driven shaft, with a driven gear of the driven gear set being keyed with the driven shaft key; and a torque drive feature associated with the drive shaft or the driven shaft, wherein the torque drive feature is configured to check keying with the driven shaft key.

US Patent:

20200218293, Jul 9, 2020

Filed:

Jan 9, 2019

Appl. No.:

16/243296

Inventors:

- Detroit MI, US
Sean M. McGowan - Northville MI, US
Mark R. Claywell - Birmingham MI, US

International Classification:

G05D 23/13
F01P 7/16
F01M 5/00
F01P 3/00

Abstract:

A temperature responsive valve includes a housing and a cylindrical structure disposed within the housing. The housing defines an inlet passageway and an outlet passageway wherein the cylinder body of the cylindrical structure is disposed between the inlet passageway and the outlet passageway. The cylindrical structure includes a first layer so that the cylindrical structure is configured to expand from a decreased diameter to an increased diameter when the first layer of the cylindrical structure is exposed to an increased pre-determined temperature range causing the cylindrical structure restricts the inlet passageway and the outlet passageway at such increased pre-determined temperature range.

US Patent:

20200080555, Mar 12, 2020

Filed:

Sep 12, 2018

Appl. No.:

16/128999

Inventors:

- DETROIT MI, US
Sean M. McGowan - Northville MI, US
Mark R. Claywell - Birmingham MI, US

International Classification:

F04C 14/22
F04C 2/344

Abstract:

A variable displacement pump is provided which better distributes stress across the rotor structure thereby reducing the risk of the rotor cracking and/or failing. The variable displacement pump includes a housing, a vane control ring, a rotor, a plurality of vanes, a slider ring, a biasing means, and a regulator valve. The housing defines an inlet port and a discharge port. The rotor may be rotationally driven by a drive shaft and coaxially aligned with the drive shaft. The rotor may define a plurality of primary ribs and a plurality of corresponding secondary ribs with an aperture defined between each primary rib and secondary rib. Each primary rib defines a primary rib thickness and each secondary rib defines a secondary rib thickness which is less than the primary rib thickness.

US Patent:

20200025198, Jan 23, 2020

Filed:

Jul 19, 2018

Appl. No.:

16/039899

Inventors:

- Detroit MI, US
Sean M. McGowan - Northville MI, US

Assignee:

GM Global Technology Operations LLC - Detroit MI

International Classification:

F04C 15/00
F04C 2/10
F04C 2/08

Abstract:

A sprocket gerotor pump includes an outer gerotor gear configured to rotate about a first axis. The outer gerotor gear includes an outer gear body including a plurality of internal gear teeth extending from the outer gear body toward the first axis. The sprocket gerotor pump includes an inner gerotor gear configured to rotate about a second axis. The inner gerotor gear includes an inner gear body and a plurality of external gear teeth extending from the inner gerotor gear away from the second axis. The external gear teeth mesh with the internal gear teeth. Rotating the outer gerotor gear causes rotation of the inner gerotor gear. The sprocket gerotor pump further includes a sprocket integrally coupled with the outer gerotor gear such that the sprocket and the outer gerotor gear collectively form a one-piece structure. The sprocket is driven by a chain.

US Patent:

20190338771, Nov 7, 2019

Filed:

May 2, 2018

Appl. No.:

15/968855

Inventors:

- DETROIT MI, US
Sean M. McGowan - Northville MI, US
Bryan K. Pryor - Waterford MI, US
David R. Staley - Flushing MI, US

International Classification:

F04C 2/344
F01M 1/02
F01M 1/16
F04C 14/22

Abstract:

A variable displacement vane pump includes a housing, an expandable vane control ring, a rotor, a plurality of vanes, slider ring, and biasing means. The expandable vane control ring defines a gap. The plurality of vanes may be slidably disposed in the rotor. The slider ring is pivotally affixed to the housing via a pivot. The slider ring may form a plurality of pumping chambers with the expandable vane control ring, the rotor and the vanes. The distal end of each vane in the plurality of vanes is configured to abut and slide along an inner surface of the slider ring while the rotor rotates and the expandable vane control ring is configured to temporarily contract when intermittent friction is experienced between the inner surface and any vane in the plurality of vanes—so that the plurality of vanes continuously slide along an inner surface of the slider ring.

US Patent:

20190128155, May 2, 2019

Filed:

Oct 31, 2017

Appl. No.:

15/798654

Inventors:

- DETROIT MI, US
Sean M. McGowan - Northville MI, US

International Classification:

F01M 11/00

Abstract:

The oil pan assembly includes an oil pan and a slideable cover. The oil pan includes a base and a sidewall which surrounds the base wherein the base and the sidewall are configured to retain a pool of oil. The oil pan further includes a peripheral flange operatively configured to be coupled to an engine block. The slideable cover is affixed to the oil pan and is configured to maintain the pool of oil proximate to the base of the oil pan.