Flexible, Cost-effective Jet-Grouted Deep Pile Foundation Alternative
Systems And Methods For Inserting And Securing Foundation Members Using A Combination Of Jets And Fluidized Concrete
None
Inventor: Tam, Hwayaw | Zhang, Aping | Liu, Shunyee | Chung, Wenghong
Priority Number: US7062973B2
IPC Current: G01L000900
US Class: 073705 | 25022714 | 250230
Assignee Applicant: The Hong Kong Polytechnic University
Title: Pressure gauge
Usefulness: Pressure gauge
Summary: Used for measuring pressure changes in a liquid environment and gas environment.
Novelty: Pressure gauge for use in e.g. liquid environment, has mechanical sensor placed in housing for sensing pressure change, and optical signal generator connected to one end of optical fiber to emit optical signal
電子
電路設計
Jan 12, 2010
8,596,922
美國
