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Expansible chamber devices January recently filed with US Patent Office 01/12

20120017756 - Pneumato-mechanical regenerative power source: A pneumato-mechanical regenerative power source converts mechanical rotational power at an input/output shaft to stored potential energy, and vice versa, by coupling the input/output shaft to a ball screw via a planetary gear system, which translates a ball nut in cooperation therewith, which in turn translates a piston that provides... Agent:

20120017758 - Pressure cylinder with oil storing function: A pressure cylinder includes a first cylinder body having accommodated therein a piston. a second cylinder body defining therein a first passage vertically connected to the first cylinder body, an oil storage chamber vertically connected to the first passage, a second passage vertically connected to the oil storage chamber and... Agent: Chanto Air Hydraulics Co., Ltd.

20120017757 - Inertia free drive for cryogenic piston expander: A cryogenic piston expander may reduce or eliminate the inertia of system, as compared to conventional cryogenic piston expanders that utilize a heavy flywheel. The cryogenic piston expander of the present invention may use a single bent running from a motor to a large sprocket mounted on a main shaft... Agent:

20120011998 - Membrane pump head for a homogenizer or a high-pressure pump: The disclosure relates to a membrane pump head for a homogenizer or a high-pressure pump. The membrane pump head comprises at least one pump head enclosed in a pump housing. The membrane pump head also includes a product chamber with inlet and outlet for the product, as well as a... Agent: Tetra Laval Holdings & Finance S.a.

20120006192 - Adhesive attachment of the disc brake pushrod plate to the diaphragm: A spring brake actuator having a push rod plate and a diaphragm is provided. A rim projects from the diaphragm for engaging a housing containing the push rod plate. A sidewall is connected to the rim, which is connected to a bottom surface, forming an outer diameter of the diaphragm.... Agent:

20120000354 - Hydrostatic axial piston machine: A hydrostatic axial piston machine (1), in particular an axial piston motor, has a rotating cylinder block (3) with a cylinder block body (3a) and a cylinder block neck (3b), and a drive shaft (14). Located in the cylinder block body (3a) are a plurality of piston bores (4) with... Agent: Linde Material Handling Gmbh