Robert L KoelzerBlue Springs, MO

6439857, Aug 27, 2002

Mar 12, 2001

09/804013

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

Haldex Brake Corporation - Kansas City MO

F04B 126

4172221, 417269, 417270, 92 71, 91504

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.

6785980, Sep 7, 2004

Aug 5, 2003

10/634286

Robert L. Koelzer - Kearney MO

Haldex Brake Corporation - Kansas City MO

F26B 2106

34 81, 34 69, 34218

A compressed air supply system includes a compressor and an air dryer connected to receive compressed air from the compressor. The dryer includes a desiccant bed through which the compressed air flows to provide dry compressed air, and a blow-through valve operable to connect the desiccant bed to atmosphere. Secondary and primary reservoirs located remotely from the dryer are connected to receive dry compressed air from the dryer. Control components integral with the dryer are provided for controlling a charging operation by controlling air flow from the compressor through the dryer for charging the primary and secondary reservoirs with dry compressed air. The control components also control a purging operation by controlling air flow from the secondary reservoir through the dryer desiccant bed and through the blow-through valve to atmosphere in order to purge the dryer, while maintaining an initial air pressure within the primary reservoir.

6883416, Apr 26, 2005

Jan 28, 2003

10/353249

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

Haldex Brake Corporation - Kansas City MO

F01B003/10

92 122, 92 71, 91505

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.

7048000, May 23, 2006

Mar 3, 2004

10/792213

Robert L. Koelzer - Kearney MO, US

Haldex Brake Corporation - Kansas City MO

G05D 16/10

13750525, 417253, 417295

A pressure reducing valve includes a housing having a passage therein, a valve body disposed within the passage, and a piston slideably disposed within the passage. The valve body includes a wall arranged transverse to the passage and dividing the passage into an input side and an output side, the wall having a plurality of openings passing therethrough, a portion of the wall between the openings and facing the output side defining a sealing surface. The piston includes a channel passing longitudinally therethrough with a sealing ledge surrounding the channel on a first end, a flange surrounding the channel on a second end, and an annular shoulder surrounding the sealing ledge. Fluid pressure at the input side acts on the shoulder and biases the piston toward the output side and fluid pressure at the output side acts on the flange and biases the piston toward the input side.

7153105, Dec 26, 2006

Apr 24, 2003

10/422268

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

Haldex Brake Corporation - Kansas City MO

F04B 1/26

417 53, 417269, 91 122, 74839

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.

7249556, Jul 31, 2007

Nov 29, 2004

10/998450

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

Haldex Brake Corporation - Kansas City MO

F01B 1/02

92 72, 92138

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.

7318709, Jan 15, 2008

Aug 27, 2003

10/648881

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

Haldex Brake Corporation - Kansas City MO

F04B 23/00

417441

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.

7784879, Aug 31, 2010

Jul 16, 2002

10/195983

Robert L. Koelzer - Kearney MO, US

Haldex Brake Corporation - Kansas City MO

B60T 13/74

303 3, 303 7, 303 20

A brake system assembly for a motor vehicle is provided comprising an air compressor operably engaged to the motor vehicle engine; a compressed air control device; at least one supply circuit for retaining compressed air in fluid communication with the compressed air control device; a service brake operably engaged by the application of compressed air; a parking brake operably disengaged by the application of compressed air; a dash control assembly having a parking brake control; a plurality of functional conduits for fluid communication; and a plurality of valves for manipulating compressed air including a foot brake valve for selectively engaging the brake system.