Michael A Pierce

US Patent:

7296408, Nov 20, 2007

Filed:

Sep 21, 2004

Appl. No.:

10/946228

Inventors:

Michael R. Pierce - Broomfield CO, US

International Classification:

F01B 29/10

US Classification:

60522, 60524

Abstract:

The heart of a heat engine is a reciprocating expansion chamber, which converts heat from a hot fluid into mechanical work. The expansion chamber utilizes a refrigerant in a liquid state as an input, and heats and expands the refrigerant to move pistons and generate work. A high pressure injector injects the liquid refrigerant into the chamber under enough pressure to keep it in a liquid state until it is desirable to have it expand into a gas. A hot fluid is the heat source for the expansion chamber and cold fluid is an output. Another output is the refrigerant, now a hot, low pressure gas. A compressor pressurizes the refrigerant, forming a hot, high pressure gas, and a condenser generates liquid refrigerant and provides it to the pressure injector.

US Patent:

20110167868, Jul 14, 2011

Filed:

Dec 28, 2010

Appl. No.:

12/979563

Inventors:

Michael C. Pierce - Erie CO, US
John D. Wilkinson - Midland TX, US
Hank M. Hudson - Midland TX, US

Assignee:

Ortloff Engineers, Ltd. - Midland TX

International Classification:

F25J 3/02

US Classification:

62620

Abstract:

A process and an apparatus are disclosed for recovering ethane, ethylene, and heavier hydrocarbon components from a hydrocarbon gas stream. The stream is cooled, expanded to lower pressure, and supplied to a first fractionation tower at a mid-column feed position. A distillation liquid stream is withdrawn from the first fractionation tower below the feed position of the expanded stream, heated, and directed into a second fractionation tower that produces an overhead vapor stream and a bottom liquid stream. The overhead vapor stream is cooled to condense it, with a portion of the condensed stream directed to the second fractionation tower as its top feed and the remainder directed to the first fractionation tower at a lower column feed position. The bottom liquid stream from the second fractionation tower is cooled and directed to the first fractionation tower as its top feed.

US Patent:

46471820, Mar 3, 1987

Filed:

Apr 3, 1985

Appl. No.:

6/719573

Inventors:

Michael L. Pierce - Scottsdale AZ

International Classification:

G03G 1501
G03G 1301

US Classification:

355 4

Abstract:

Apparatus and method for transferring a color image from an original document to a film or to an output paper. The apparatus involves the formation of the component monochromatic images containing selected color component information in a monochromatic toner particle image configuration. The separate images of the toner configurations are exposed onto a photosensitive film to reconstruct the original document. The component images can be formed on a clear material or, preferably, on a transparent colored material, the colored material serving to eliminate the need for a filter for each of the color component exposures needed to reconstruct the original image. In a second embodiment, the component images can be formed on transparent regions of electrostatic photoconducting drum. A suitable light source placed in the middle of the drum, can expose a film on a platten near the surface. Again the transparent photoconducting material of the drum can have a color in each of a plurality of predetermined sections to eliminate the need for filters during reconstruction of an image from component monochromatic images.

US Patent:

49665634, Oct 30, 1990

Filed:

Apr 11, 1989

Appl. No.:

7/336762

Inventors:

Michael L. Pierce - Scottsdale AZ
Scott J. Raffles - Chandler AZ

Assignee:

Rogers Corporation - Rogers CT

International Classification:

H01R 448

US Classification:

439729

Abstract:

A bus bar tab connector which electrically and mechanically connects an electrically conductive tab extending from a bus bar to an electrically conductive tab from an external source is presented. In accordance with the present invention, the conductive tabs are slidably received into the bus bar connector and held together by either a spring force or a cammed shaft. The tabs are both easily connected and separated by the connector, requiring no special tools for connecting or separation. The bus bar connector of the present invention does not cause a decrease in current carrying capacity.