Michael L Jenkins

US Patent:

6439857, Aug 27, 2002

Filed:

Mar 12, 2001

Appl. No.:

09/804013

Inventors:

Robert L. Koelzer - Kearney MO
Andrew W. Adams - Lesss Summit MO
Mark D. Schaake - Bonner Springs KS
Michael R. Jenkins - Kansas City MO

Assignee:

Haldex Brake Corporation - Kansas City MO

International Classification:

F04B 126

US Classification:

4172221, 417269, 417270, 92 71, 91504

Abstract:

An axial piston compressor produces air supplied to an air system of a vehicle, typically a heavy duty truck through a plurality of pistons held within a stationary block, and the movement of the pistons is predicated through the control of a pivotal swash plate. The pistons are idle in a neutral position of the swash plate, wherein a pressure above the pistons in the cylinder block counterbalances a thrust generated by an actuator upon the plate positioned in a plane extending perpendicular to a drive shaft. The plate oscillates in response to a pressure drop above the pistons causing the actuator to expand toward the plate and exert a thrust exceeding the lowered pressure above the pistons and enabling the swash plate to provide the pistons with reciprocal motion.

US Patent:

6883416, Apr 26, 2005

Filed:

Jan 28, 2003

Appl. No.:

10/353249

Inventors:

Robert L. Koelzer - Kearney MO, US
Michael R. Jenkins - Kansas City MO, US

Assignee:

Haldex Brake Corporation - Kansas City MO

International Classification:

F01B003/10

US Classification:

92 122, 92 71, 91505

Abstract:

A swash plate containment assembly for a compressor is disclosed generally comprising a housing, a drive shaft, a swash plate mounted on the drive shaft, and a gimbal arm connected to the housing and swash plate via rotatable joints. In certain embodiments, the joints are located approximately ninety degrees from each other. In some embodiments, the joints comprise a roller bearing and journal coupled thereto.

US Patent:

7153105, Dec 26, 2006

Filed:

Apr 24, 2003

Appl. No.:

10/422268

Inventors:

Robert L. Koelzer - Kearney MO, US
Michael R. Jenkins - Kansas City MO, US

Assignee:

Haldex Brake Corporation - Kansas City MO

International Classification:

F04B 1/26

US Classification:

417 53, 417269, 91 122, 74839

Abstract:

A compressor is disclosed generally comprising a cylinder block at least partially enclosing a compression chamber, a swash plate housing mounted adjacent the cylinder block, the swash plate housing at least partially enclosing a swash plate chamber, an inlet port in the swash plate housing, and a passageway connecting the swash plate chamber and compression chamber. In certain embodiments, the passageway comprises a fluid channel in the cylinder block. In some embodiments, at least one bearing is disposed in the swash plate chamber such that air entering through the inlet port flows over the bearing before flowing to the compression chamber.

US Patent:

7249556, Jul 31, 2007

Filed:

Nov 29, 2004

Appl. No.:

10/998450

Inventors:

Robert L. Koelzer - Kearney MO, US
Michael R. Jenkins - Kansas City MO, US
Mark D. Schaake - Bonner Springs KS, US
Andrew W. Adams - Less's Summit MO, US

Assignee:

Haldex Brake Corporation - Kansas City MO

International Classification:

F01B 1/02

US Classification:

92 72, 92138

Abstract:

A compressor is disclosed generally comprising a cylinder head mounted to a cylinder block having a cooling chamber and a piston channel via a bolt. A piston is disposed in the piston channel and has a contact portion that contacts the channel wall, which is integrally formed with the cylinder block, as it slides within the channel. The bolt and the cooling chamber each extend from at least as high as the highest contact point between the contact portion of the piston and the channel wall to at least as low as the lowest contact point between the contact portion of the piston and the channel wall. In certain embodiments, the cooling chamber is located between the bolt and the piston channel. In some embodiments, a crankcase is integrally formed with the cylinder block.

US Patent:

7318709, Jan 15, 2008

Filed:

Aug 27, 2003

Appl. No.:

10/648881

Inventors:

Robert L. Koelzer - Kearney MO, US
Michael R. Jenkins - Kansas City MO, US

Assignee:

Haldex Brake Corporation - Kansas City MO

International Classification:

F04B 23/00

US Classification:

417441

Abstract:

A valve assembly is disclosed generally comprising first and second valve plates mounted between the housing for a pump mechanism and a cover, the first plate having flexing flaps corresponding to apertures in the second plate, and the second plate having flexing flaps corresponding to apertures in the first plate. The flexing flaps and apertures create inlet and outlet valves for fluid being received into and discharged from the pump mechanism. In some embodiments, the valves facilitate the flow of air received and discharged through inlet and outlet ports in a compressor head. In some embodiments, the valves facilitate the flow of air received from an inlet port in a compressor housing.

US Patent:

20050207905, Sep 22, 2005

Filed:

Mar 18, 2004

Appl. No.:

10/803679

Inventors:

Robert Koelzer - Kearney MO, US
Michael Jenkins - Kansas City MO, US

International Classification:

F04B001/12
F04B023/04
F04B027/08
F04B041/06

US Classification:

417269000, 417521000

Abstract:

A compressor is disclosed generally comprising a housing, a shaft disposed therein, and a swash plate part that is mounted at a fixed angle relative to the longitudinal axis of the shaft. In some embodiments, the swash plate part is coupled to a second, inner swash plate part via a bearing. In other embodiments, the swash plate part is coupled directly to the shaft via the bearing. The bearing is adapted to accommodate both the radial and axial loads of the compressor in order to eliminate the need for a separate thrust bearing.

US Patent:

20210122352, Apr 29, 2021

Filed:

Jan 5, 2021

Appl. No.:

17/141252

Inventors:

- KANSAS CITY MO, US
ALBERT D. FISHER - KANSAS CITY MO, US
AARON C. BRADFORD - OLATHE KS, US
DAVID C. RHOADS - KANSAS CITY MO, US
MICHAEL R. JENKINS - KANSAS CITY MO, US

International Classification:

B60T 15/54
B60T 17/08
B60T 13/38
F16D 65/28

Abstract:

A brake actuator assembly including a pressure plate presenting an opening, a push rod that is coupled to the pressure plate, a diaphragm that is coupled to the pressure plate, and a retainer that engages the push rod. The push rod has an outer surface and at least one protrusion extending outward from the outer surface. The retainer engages the protrusion such that at least a portion of the diaphragm is positioned between the pressure plate and the retainer.

US Patent:

20210046915, Feb 18, 2021

Filed:

Mar 13, 2019

Appl. No.:

16/978802

Inventors:

- KANSAS CITY MO, US
WYATT KOVICH - KANSAS CITY MO, US
MICHAEL JENKINS - KANSAS CITY MO, US

International Classification:

B60T 13/74
B60T 13/58
F16D 65/16
B60T 13/66
B60T 13/24

Abstract:

A two stage brake actuation system including a push rod, a first actuator coupled to the push rod, and a second actuator. The first actuator may apply a first force to the push rod to move it between a brake clearance position and a brake adjacent position. The second actuator may apply a second force to the push rod to move it between the brake adjacent position and a brake applied position. The first actuator may be a large displacement, low force actuator, and the second actuator may be a small displacement, high force actuator. A method for braking a vehicle by applying a first force to a push rod to move it a first distance from a brake clearance to a brake adjacent position, and applying a second force to the push rod to move it a second distance from the brake adjacent to a brake applied position.