Title:
【発明の名称】水位検知装置
Document Type and Number:
Japanese Patent JP2661238
Kind Code:
B2
Abstract:
PURPOSE:To detect an overflow of water from a water storing part and a water leakage error by a method wherein in case that there is no variation in pressure value in an increasing direction from a pressure sensing stage, a control means for terminating operation of the hot water feeder is provided. CONSTITUTION:A degree of increasing of water level is calculated during a supplying of set value by a controlling means 13 and the set value water supplying operation is continued while measuring a time period reaching up to a predetermined degree of increase. When the time exceeds a predetermined time, the operation is stopped. In general, the set value water supplying operation is completed when the pressure shows the value of PX+PA and if there is an overflow of the flow storing par 1 at the elapse time (t1), the pressure increasing is not generated, and even if the specified period of time elapses, no increasing of pressure and so an error is detected by a pressure sensor 8 at a point of the specified time (t2) and this signal is discriminated by the controlling means 13 and the operation of the hot water supplying source 10 and the pump 6 are stopped.
Inventors:
KONISHI MITSUNARI
HAMANO NOBUO
YAMAMOTO MASAHIKO
HAMANO NOBUO
YAMAMOTO MASAHIKO
Application Number:
JP3990589A
Publication Date:
October 08, 1997
Filing Date:
February 20, 1989
Export Citation:
Assignee:
MATSUSHITA DENKI SANGYO KK
International Classes:
G01F23/00; F24H1/00; F24H1/46; G01F23/14; G05D9/00; (IPC1-7): F24H1/46
Domestic Patent References:
| JP63155942U | ||||
| JP6392152U |
Attorney, Agent or Firm:
Tomoyuki Takimoto (1 person outside)