Moving Contracting Chamber Patents (Class 417/93)
  • Publication number: 20100086416
    Abstract: A thermo-pneumatic peristaltic pump. A heating base board includes at least one heater. A membrane disposition board is disposed on the heating base board and includes at least one membrane chamber. The membrane chamber includes a first chamber body and a second chamber body. The first chamber body connects to the second chamber body and covers the heater. A fluidic receiving board is disposed on the membrane disposition board and includes at least one fluidic chamber, a fluidic inlet, and a fluidic outlet. The fluidic chamber is connected between the fluidic inlet and the fluidic outlet and is disposed on the second chamber body of the membrane chamber.
    Type: Application
    Filed: November 28, 2008
    Publication date: April 8, 2010
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Yao-Joe Yang, Bonnie Tingting Chia, Hsin-Hung Liao, Ming-Yuan Cheng
  • Patent number: 6506033
    Abstract: A miniature pump equipped with: a pump chamber communicated with a suction port by way of a check valve and communicated with a discharge port by way of another check valve; a driving portion for performing a pump function by increasing and decreasing a volume of the above described pump chamber; a driving plate attached to the above described driving portion for reciprocating the driving portion; a rotating plate fixed to an output shaft of a motor; a ball disposed at a location which is between the above described driving member and the above described rotating plate, and apart from the above described output shaft; and means for applying a force to a surface of the above described driving plate on a side of the above described rotating plate for bringing the above described driving plate into close contact with the above described ball, in which an inclined direction of the above described driving plate is continuously changed by a movement caused due to rotations and revolutions of the above described bal
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: January 14, 2003
    Assignee: Okenseiko Co., Ltd.
    Inventor: Tadashi Fukami
  • Patent number: 4854783
    Abstract: A vertical hydro-hoist for conveying a slurry under pressure by using a liquid obtained from a chemical process as a driving liquid and method for operating the same, the hydro-hoist includes at least one feed chamber and a detector for detecting a relationship of specific gravities between a driving liquid, a slurry and a float desporent in the at least one feed chamber. A holding member is provided for holding the float and a device, provided for supplying or discharging a specific gravity adjusting liquid into and out of the float. After temporarily holding the float in the feed chamber, the adjusting liquid is supplied into or discharged out of the float in accordance with the relationship detected by the detector.
    Type: Grant
    Filed: March 17, 1988
    Date of Patent: August 8, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Kenji Uchida, Nobuyuki Banba, Minoru Kuroiwa, Makoto Saito, Yukishige Kamino