摘要:
This invention is directed to a turf grooming deck configured for attachment to a lawn tractor and includes a deck member positioned between front and rear wheels of the lawn tractor and having an upper platform and a plurality of downwardly depending surfaces that, together, defines an interior area. A plurality of channels is mounted to a bottom surface of the upper platform and arranged in a diamond configuration. Further, the sidewalls define channel openings by which the channels are accessed. The turf grooming deck includes first and second brush modules, each brush module including a plurality of brush members, a first module including a plurality of metal tines and the second module including a plurality of push broom type bristles. The brush modules are interchangeable by insertion or removal thereof relative to respective channels via respective channel openings.
摘要:
New designs, methods and processes are described that in which laminated devices and configured in a style named the “ortho” style. To form a device in the ortho style, plates or sheets are machined to have apertures and then stacked together such that the apertures connect and fluid can flow through the device in a direction that is substantially parallel to the direction of sheet thickness. Various laminated devices and processes using them are also described. For example, devices in which non-rectangular microchannels conform around reaction chambers or other bodies that need to be heated or cooled, are described. Features that separate or trip boundary layer and enhance heat transfer are also described.
摘要:
Methods and systems for supplying respiratory oxygen to users when the users are inhaling are disclosed. The methods and systems may rely on delivery devices that are selectively placed in fluid communication with either a respiration sensor or a source of oxygen. The methods and systems may actively monitor for exhalations, as well as monitor for oxygen in the oxygen source. The respiration sensor may preferably be a flow sensor.
摘要:
Novel manifolds and methods of flow through manifolds are described. Apparatus and techniques are described in which flow from a relatively large volume header is equally distributed to process channels. Methods of making laminated, microchannel devices are also described.
摘要:
Novel methods of making laminated, microchannel devices are described. Examples include: assembly from thin strips rather than sheets; and hot isostatic pressing (HIPing) to form devices with a hermetically sealed wall. Laminated microchannel articles having novel features are also described. The invention includes processes conducted using any of the articles described.
摘要:
New designs, methods and processes are described that in which laminated devices and configured in a style named the “ortho” style. To form a device in the ortho style, plates or sheets are machined to have apertures and then stacked together such that the apertures connect and fluid can flow through the device in a direction that is substantially parallel to the direction of sheet thickness. Various laminated devices and processes using them are also described. For example, devices in which non-rectangular microchannels conform around reaction chambers or other bodies that need to be heated or cooled, are described. Features that separate or trip boundary layer and enhance heat transfer are also described.
摘要:
A training device isolates muscular force direction from force magnitude to provide improved feedback to a user over conventional exercise equipment which implicitly conflates magnitude and force direction in producing purely kinematic feedback.
摘要:
The invention is a process and device for exchanging heat energy between three or more streams in a microchannel heat exchanger which can be integrated with a microchannel reactor to form an integrated microchannel processing unit. The invention enables the combining of a plurality of integrated microchannel devices to provide the benefits of large-scale operation. In particular, the microchannel heat exchanger of the present invention enables flexible heat transfer between multiple streams and total heat transfer rates of about 1 Watt or more per core unit volume expressed as W/cc.
摘要:
Integrated Combustion Reactors (ICRs) and methods of making ICRs are described in which combustion chambers (or channels) are in direct thermal contact to reaction chambers for an endothermic reaction. Particular reactor designs are also described. Processes of conducting reactions in integrated combustion reactors are described and results presented. Some of these processes are characterized by unexpected and superior results, and/or results that can not be achieved with any prior art devices.
摘要:
An electromechanical force sensor uses a rotating element that aligns with the force and may carry a force magnitude sensor simplifying and providing more accurate measurement of force-angle and force-magnitude. The ability to detect simply force-angle and force-magnitude enables a variety of training and exercise devices.