- Home |
- Pump Manufacturing |
- Technology development history
1978 | 1. A new method for manufacturing long-life PTFE Pump Diaphragms. 2. A new Injection molded PPG 3/8” Double Diaphragm Pump range was released for sale. |
---|---|
1980 | A new method for PFA Injection molding. |
1983 | 1. Commenced In-house Injection molding of Plastic pump casings. 2. Commenced Injection molding of PFA Plastic components. |
1986 | 1. A new full range of ¼” Double Diaphragm Pumps was developed and released for sale. 2. A 2D-CAD station was installed. |
1987 | 1. A new High-Temperature Double Diaphragm pump was developed.
(Japanese patent jointly owned with Fujitsu). *1 Patent Number #2518842 2. An Electrically Controlled Diaphragm Pump and Controller were designed and released for sale. 3. A new range of Injection-Molded plastic ¾” & 1” Double Diaphragm Pumps was developed by the company. Utilizing a new technique of thin ribbed stress dispersion for increased structural integrity. |
1988 | 1. A new full range of ½” Double Diaphragm Pumps was developed and released for sale. 2. A new High-range 2D-CAD workstation was installed. |
1992 | A High-range 3D-CAD/CAE workstation was introduced. |
1993 | 1. A new Long-life C-Spool Valve for 1 ½” 2” and 3” Double Diaphragm Pumps. Utilizing a special sealing structure and enabling fully lubrication free operation. 2. Patent applied for and obtained*1 Patent Number #3150012 |
1994 | A new range of 1½” 2” and 3” Double Diaphragm Pumps in stainless steel, polypropylene, and aluminium was developed and released for sale. |
1995 | 1. A new method of manufacturing Metal free PTFE Diaphragms was developed. 2. Patent applied for and obtained*1 Patent Number #2726014 |
1997 | 1. An Electric Pump Controller with an emergency stop function was designed and manufactured. 2. An Electric Diaphragm Pump, Diaphragm Inversion prevention mechanism was developed. 3. Patent applied for and obtained*1 Patent Number #3083275 |
1999 | A Low-Speed Double Diaphragm Pump was developed for the prevention of fluid deterioration. |
2000 | A Special Diaphragm Pump, Automatic Self-Start Recovery Valve was designed to improve pump switching reliability. (Pressure-Detecting Type) |
2001 | 1. A Special Diaphragm pump, Automatic Self-Start Recovery Valve for the use in the semiconductor industry was designed. (Differential-Pressure Type) 2. Patent applied for and obtained *1Patent Number #3416656 |
2001 | A new enhanced Pump sealing mechanism for the prevention of leakage due to temperature fluctuations |
2002 | 1. An additional 3D-CAD/CAE workstation was installed. 2. A new plastic (100% metal-free) C-Spool type Air Valve was developed. 3. A new pump chamber sealing mechanism to reduce the chance of liquid leakage. |
2003 | A new method for the improvement of assembly and accuracy of Air valves was designed. |
2009 | A new type of air switching valve was designed. |
2012 | 1. A new range of high-performance ½” Diaphragm Pumps available in Pure PP, PVDF, aluminium, & stainless steel. 2. Patents applied for and obtained *1 Patent Number #1493139,#1494339,#1494140 |
2013 | 1. A new range of high-performance 1” Diaphragm Pumps available in aluminium cast iron & stainless steel. 2. Patents applied for and obtained*1Patent Number #1493116,#1493474 |
2014 | 1. A new range of PTFE Diaphragm pumps was designed and released for sale. 2. A new mechanical Air Spool with increased switching reliability and lower air consumption. 3. New Looped C® Spool Air Valve Developed and introduced for sale Patent Pending*1 4. A new range of 2” Diaphragm Pumps available in all materials released for sale. |
*1 YTS JAPAN Co., Ltd. Patent History
- 12 Patents (Now Expired)
- 6 Design Patents (Current)
- 4 Patents Pending
- Countries where patents were applied for; Japan, China, Korea, USA, Italy, Denmark, France, Germany, Netherlands, Sweden, and England.