newTOP 200 Companies
filing patents this week



    Free Services  

  • MONITOR KEYWORDS
  • Enter keywords & we'll notify you when a new patent matches your request (weekly update).

  • ORGANIZER
  • Save & organize patents so you can view them later.

  • ARCHIVE
  • View the last few months of your Keyword emails.

  • COMPANY DIRECTORY
  • Patents sorted by company.

Follow us on Twitter
twitter icon@FreshPatents

Browse patents:
Next →
← Previous

Air conditioner


Title: Air conditioner.
Abstract: An air conditioner is provided with a refrigerant circuit, refrigerant stagnation judging means, and an operation controller. The refrigerant circuit is a circuit that includes a heat source unit, a refrigerant communication pipe, an expansion mechanism, and a utilization unit. A heat source unit and a utilization unit are connected to the refrigerant fluid communication pipes. The heat source unit has a compression mechanism and a heat source side heat exchanger. The refrigerant stagnation judging means can judge whether the refrigerant has stagnated inside the compression mechanism. The operation controller performs a refrigerant de-stagnation operation for eliminating stagnation of the refrigerant in the case that the refrigerant stagnation judging means has judged in advance that the refrigerant inside the compression mechanism has stagnated when a refrigerant quantity judging operation is carried out for judging the refrigerant quantity inside the refrigerant circuit. ... Browse recent Daikin Industries, Ltd. patents
USPTO Applicaton #: #20090314017
Inventors: Tadafumi Nishimura, Shinichi Kasahara



The Patent Description & Claims data below is from USPTO Patent Application 20090314017, Air conditioner.




← Previous       Next → Advertise on FreshPatents.com - Rates & Info


You can also Monitor Keywords and Search for tracking patents relating to this Air conditioner patent application.
###
monitor keywords

Browse recent Daikin Industries, Ltd. patents

Keyword Monitor How KEYWORD MONITOR works... a FREE service from FreshPatents
1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored.
3. Each week you receive an email with patent applications related to your keywords.  
Start now! - Receive info on patent apps like Air conditioner or other areas of interest.
###


Previous Patent Application:
Ice imaging system
Next Patent Application:
Compressor power control
Industry Class:

Thank you for viewing the Air conditioner patent info.
- - -

Results in 0.03094 seconds


Other interesting Freshpatents.com categories:
QUALCOMM , Apple ,

###

Data source: patent applications published in the public domain by the United States Patent and Trademark Office (USPTO). Information published here is for research/educational purposes only. FreshPatents is not affiliated with the USPTO, assignee companies, inventors, law firms or other assignees. Patent applications, documents and images may contain trademarks of the respective companies/authors. FreshPatents is not responsible for the accuracy, validity or otherwise contents of these public document patent application filings. When possible a complete PDF is provided, however, in some cases the presented document/images is an abstract or sampling of the full patent application for display purposes. FreshPatents.com Terms/Support
-g2-0.1496

66.232.115.224
Next →
← Previous

stats Patent Info
Application #
US 20090314017 A1
Publish Date
12/24/2009
Document #
12096967
File Date
12/13/2006
USPTO Class
62149
Other USPTO Classes
62468
International Class
/
Drawings
7


Your Message Here(14K)


Agnate
Conditioner
Refrigerant


Follow us on Twitter
twitter icon@FreshPatents

Daikin Industries, Ltd.

Browse recent Daikin Industries, Ltd. patents

Refrigeration   Automatic Control   Withdrawing Or Adding Refrigerant From Or To Normally Closed System  

Browse patents:
Next →
← Previous