David S Rohweder

US Patent:

6491313, Dec 10, 2002

Filed:

Oct 24, 2000

Appl. No.:

09/694968

Inventors:

Yuting Rui - Ann Arbor MI
Timothy Gerard Offerle - Whittaker MI
Thomas J. Walsh - Northville MI
David Scott Rohweder - Troy MI

Assignee:

Ford Global Technologies, Inc. - Dearborn MI

International Classification:

B60G 700

US Classification:

280 90, 280 8913, 18832215, 188275, 188279

Abstract:

A variable damper assembly is provided for use with a vehicle power steering system and includes a variable orifice valve which controls the flow of fluid between one chamber side of the damper assembly to another chamber side of the damper assembly. Variable orifice valve is communicatively coupled to a source of pressurized fluid by use of a conduit and an electronically controlled valve assembly The pressurized fluid received through conduit controls the operation of valve Based upon the pressure of the received fluid, valve selectively increases and reduces the fluid flow rate between chamber sides and thereby causing the damper assembly to have enhanced damping characteristics during certain vehicle operating conditions (e. g. , during relatively high vehicle speed operating conditions).

US Patent:

8020597, Sep 20, 2011

Filed:

May 31, 2006

Appl. No.:

11/443311

Inventors:

Kevin Ellwood - Ann Arbor MI, US
John Baldwin - Bloomfield Hills MI, US
David Bauer - Livonia MI, US
David Rohweder - Troy MI, US

Assignee:

Ford Global Technologies, LLC - Dearborn MI

International Classification:

B60C 5/00
B60C 5/12
B60C 5/14
B60C 15/00

US Classification:

152510, 152450, 152539, 152555

Abstract:

The invention is directed to increasing the endurance of a tire by providing an oxidation shield strip located in the vicinity of a critical area of the tire. The oxidation shield strip acts as a local oxygen diffusion barrier.

US Patent:

8487014, Jul 16, 2013

Filed:

Apr 30, 2012

Appl. No.:

13/459285

Inventors:

Cynthia Mowery Flanigan - Canton MI, US
Laura Dillon Bayer - Canton MI, US
David William Klekamp - Canton MI, US
David Scott Rohweder - Troy MI, US

Assignee:

Ford Global Technologies, LLC - Dearborn MI

International Classification:

C08G 18/00
C08J 9/34

US Classification:

521 841, 5211091, 521137, 521151, 521155

Abstract:

In one embodiment, a filler composition includes a filler including silica; and a bio-based oil contacting the filler and including at least one soy polyol, wherein an elastomer, if present, is less than 25 weight percent of the total weight of the filler composition. The filler composition does not contain appreciable amount of petroleum oil, which if present, is less than 25 weight percent of the filler composition. The filler composition does not contain appreciable amount of epoxidized oil which, if present, is less than 25 weight percent of the total weight of the filler composition. The soy polyol may include a hydroxyl number of from 10 to 350 KOH/g. The bio-based oil may further include soy oil.

US Patent:

20130289162, Oct 31, 2013

Filed:

Jun 5, 2013

Appl. No.:

13/910379

Inventors:

Laura Dillon Bayer - Canton MI, US
David William Klekamp - Canton MI, US
David Scott Rohweder - Troy MI, US

International Classification:

C08K 5/053
C08K 5/1515
C08K 3/04
C08K 3/36

US Classification:

523156

Abstract:

A method includes mixing a filler including silica and a bio-based oil including a soy polyol to form a filler mixture, and mixing the filler mixture with an elastomer to form an elastomeric composition. The weight ratio of silica to the soy polyol is 1.5 to 2.5. The elastomer is present in an amount less than 25 weight percent of the elastomeric composition.

US Patent:

58201475, Oct 13, 1998

Filed:

Mar 31, 1997

Appl. No.:

8/829650

Inventors:

David Scott Rohweder - Troy MI
Jeffrey Michael Hatt - Livonia MI
Chunping John Meng - Rochester Hills MI

Assignee:

Ford Global Technologies, Inc. - Dearborn MI

International Classification:

B62D 716

US Classification:

280 9351

Abstract:

A novel steerable solid axle suspension system capable of eliminating the need for steering dampers includes a solid axle (12) suspended from a vehicle frame (14) by leaf spring assemblies (48) and right and left shock absorbers (30, 38). The suspension also includes a track bar (140) laterally connecting the solid axle (12) to the frame (14). The suspension also includes a steering gear (132) having a pitman arm (130) connected to a drag link (128). The drag link (128) extends downwardly to connect to a tie rod (122) which extends between and interconnects first and second steering knuckles (24, 22).

US Patent:

46899987, Sep 1, 1987

Filed:

Sep 15, 1986

Appl. No.:

6/907424

Inventors:

Gerald W. Jackson - Selfridge MI
David S. Rohweder - Warren MI

International Classification:

G01N 2900

US Classification:

73669

Abstract:

A shaker mechanism for a wheeled vehicle has axle-connector devices that include special adapter plates for enabling the shaker mechanism to support a variety of different size vehicles with minimum adjustments to the shaker mechanism and with minimum time expenditure for change-over from one vehicle to another.

US Patent:

20200391552, Dec 17, 2020

Filed:

Jun 11, 2020

Appl. No.:

16/899203

Inventors:

- Dearborn MI, US
Janice Lisa Tardiff - Plymouth MI, US
Vishal Vinayak Nageshkar - Farmington Hills MI, US
Adam Wirth - Belleville MI, US
David Scott Rohweder - Troy MI, US
Robert Henry Camilleri - Grosse Ile MI, US
Ryan Buttimer - Ann Arbor MI, US

Assignee:

Ford Global Technologies, LLC - Dearborn MI

International Classification:

B60C 7/24
B60C 7/14
B60B 9/26
B60B 9/04

Abstract:

A tire and wheel assembly includes a non-pneumatic tire and a wheel. The non-pneumatic tire has a tread, a plurality of spokes, and an inner liner with a first side, a second side, and at least one taper extending between the first side and the second side. The wheel has an inboard side, an outboard side, and an outer surface with at least one complimentary taper extending between the inboard side and the outboard side such that the non-pneumatic tire is serviceably mounted on the wheel. A locking ring can be included and the locking ring can be configured to abut against the inboard side or the outboard side of the wheel. Also, a wheel flange extending inwardly from the inner liner can be included and the wheel flange is configured to abut against the outboard side or the inboard side of the wheel.

US Patent:

20190126692, May 2, 2019

Filed:

Nov 2, 2018

Appl. No.:

16/179200

Inventors:

- Dearborn MI, US
David Scott Rohweder - Troy MI, US
Arne Heyden - Cologne, DE

Assignee:

Ford Global Technologies, LLC - Dearborn MI

International Classification:

B60C 15/06
B60C 15/05

Abstract:

A pneumatic tire has modified dimensions and/or materials characteristics and is designed and constructed for use in place of a conventional, standards-meeting tire of a standards-meeting tire/rim combination. The rim has a bead seat with an outer diameter established by a standards-setting organization to mate with a conventional tire. The modified pneumatic tire has a bead of an inner diameter established by: a) determining a conventional radial force exerted by the bead of the conventional tire on the rim, and b) setting the inner diameter such that, when mounted on the rim the bead exerts on the bead seat a modified radial force between 5% and 25% lower than the conventional radial force.