Expansible chamber devices inventions 07/07

20070169621 - Sealing device: A high performance sealing device having an excellent pressure resistance and realizing a prevention of damage. The sealing device usable at a working pressure of 0 to 2 MPa, and not damaged even if the pressure of high-pressure fuel of 5 MPa or higher is applied thereto, wherein high pressure... Agent: Jacobson Holman PLLC

20070169622 - Spacers for use with actuator casings: Spacers for use with actuator casings are disclosed. An example spacer includes a ring-shaped member defining a central opening and configured to form a part of an actuator casing and to space first and second actuator casing portions a predetermined distance when the first and second casing portions are coupled... Agent: Hanley, Flight & Zimmerman, LLC

20070157799 - Compressor piston ball pocket coating: The invention is applied to a compressor assembly wherein a coating is applied to the pocket in the piston for sliding engagement with a shoe for reciprocating the piston. The coating is a composite of solid particles of a lubricant, suspended in an adhesive, bonded to the to the aluminum... Agent: Delphi Technologies, Inc.

20070157800 - Pump sealing apparatus: A sealing arrangement for a pump includes a first member having a peripheral wedge-shaped pocket; a second member with a rim opposed to the pocket; and a diaphragm disposed between the two members. The diaphragm includes a central stem, a disk-shaped head attached to the stem, and an upstanding bead... Agent: Adams Evans P.A.

20070151443 - Hydraulic motor/pump: A hydraulic machine which can exchange hydraulic fluid pressure with rotational motion of an input/output means, having a radial arrangement of a plurality of hydraulic piston and cylinder assemblies about a crankshaft, the hydraulic cylinder and piston assemblies being longitudinally spaced along the crankshaft; and a means for varying eccentricity... Agent: Mcdermott Will & Emery LLP

20070151444 - Scotch yoke engine: The invention relates to a scotch yoke fluid device (10). The scotch yoke fluid device (10) has a crank (11) with a big end having an axis (14) which orbits around a main axis (15) for the crank (11). Connecting means (13) are mounted on the big end axis (14).... Agent: Greenberg Traurig, LLP

20070151445 - Piston structure for an air pump: A piston for an air pump is disclosed. The piston has a piston rod having a connecting axle hole for positioning a bearing, which is protected with a bearing protection cap. The bearing is firmly secured within the axle hole.... Agent: Leong C Lei