About 1,864,484 results (2,983 milliseconds)

HELP: Heat pump high pressures in heat mode.

https://groups.google.com/g/alt.hvac/c/kh6N5ZfKsYk
... lower discharge pressure in heat mode, not higher). System is configured ... when the suction gets too high, as you see it raising the discharge at the ...

MARINE ENGINEERING KNOWLEDGE BY RAJAN ...

https://sites.google.com/site/frerfuninstudy/refrigeration-system-questions-with-answer
d)you should close in on a suction valve. 25) If the refrigeration compressor was developing higher than normal discharge pressure, this could be a result of.

WO2016022474A1 - Capacity modulated scroll compressor ...

https://patents.google.com/patent/WO2016022474A1/ko
... pressure that is higher than suction pressure and lower than discharge pressure. The intermediate pressure fluid is communicated to first portion 176 via ...

US4725196A - Single-shaft multi-stage centrifugal compressor ...

https://patents.google.com/patent/US4725196A/kr
... higher than the suction pressure of said intermediate suction gas line. FIGS ... the discharge pressure of the third-stage impeller 3c immediately ...

CN105317676B - Scroll compressor - Google Patents

https://patents.google.com/patent/CN105317676B/en
Due to the refrigerant Gas is in compression way, therefore is higher than suction pressure and is the intermediate pressure Pm2 below discharge pressure.

head and pressure on junction are over than reservoir's head

https://groups.google.com/g/epanetd/c/R0LBs_Z0pPY
Apr 26, 2019 ... ... suction pressure is 30m (head of reservoir) plus pumping head is 30m which gives a total discharge pressure of 60m. Pressure = Head (HGL) ...

US5290154A - Scroll compressor reverse phase and high discharge ...

https://patents.google.com/patent/US5290154A/en
At such time as pressure greater than suction pressure comes to exist in discharge pocket 34 and discharge passage 44, such as by the proper wiring of the ...

JP2009299683A - Variable displacement compressor with ...

https://patents.google.com/patent/JP2009299683A/en
... discharge pressure compensated suction shutoff valve (SSV). <P>SOLUTION ... discharge pressure is higher than the threshold. 本特許出願は、2008年6 ...

US7018180B2 - Vacuum preventing device of scroll compressor ...

https://patents.google.com/patent/US7018180B2/en
Thanks to these operations, the middle pressure is stronger than the discharge pressure, so that the open and shut member 110 can tightly close the ...

RU2020139155A - Centrifugal pump for molten urea processing ...

https://patents.google.com/patent/RU2020139155A/en
... higher than the suction pressure; - промежуточное выходное ... pressure which is greater than said suction pressure and less than said discharge pressure.

US4818195A - Scroll compressor with valved port for each ...

https://patents.google.com/patent/US4818195A/en
Namely, the discharge pressure is actually higher than the suction pressure more or less, so that the pressure in the back- pressure chamber 62 is ...

WO2015051019A1 - Compresseurs rotatifs à commande de vitesse ...

https://patents.google.com/patent/WO2015051019A1/fr
... higher discharge pressure and a higher discharge; the ... suction pressure and at a discharge temperature that is greater than the suction temperature.

US20110182753A1 - Capacity Control Valve, Variable Capacity ...

https://patents.google.com/patent/US20110182753A1/en
... suction pressure Ps can be controlled if the discharge pressure Pd can be detected. ... pressure of the discharge pressure area is higher than the set pressure. 2 ...

Thermo-King retrofit advice/help

https://groups.google.com/g/alt.hvac/c/stTyUtYuJQg
txv system this way? I would expect high suction pressure and a lack of cooling for an overcharged system. No? Thanks Dave Morrison. Aire Kool's profile ...

US9322405B2 - Rotary compressor with vapor injection system ...

https://patents.google.com/patent/US9322405B2/da
... pressure to the compression chamber. the second pressure may be higher than the first pressure. the fluid-injection opening and the discharge opening may be ...

EP0447134A2 - Standing wave compressor - Google Patents

https://patents.google.com/patent/EP0447134A2/en
... pressure, and whose discharge pressure is higher than the average pressure. Thus, to make the suction pressure equal to the evaporator pressure, the average ...

US8365544B2 - Screw compressor drive control - Google Patents

https://patents.google.com/patent/US8365544B2/de
... discharge port 124 at a discharge pressure that is higher than the suction pressure. Compressing the fluid 110 may also result in the fluid 110 being ...

US4997350A - Scroll fluid machine with bearing lubrication - Google ...

https://patents.google.com/patent/US4997350A/show.php
... suction pressure and a discharge pressure of the coolant gas. ... pressure Pm1 that is slightly higher than the pressure in the intermediate pressure chamber.

Safety Engineering Technology Course

https://groups.google.com/group/ped2000/attach/1bd7cf5a4795a660/Pressure%20Relief%20Devices%20Scott%20Ostrowski_MCU.pps?part=0.1
... vacuum support (require more than 1.5 X Burst Pressure). Subject to premature failures if operating pressure exceeds 70% of BP. Comparison of Rupture Disc ...

US9809088B2 - Controlling HVAC speed of condenser fans using ...

https://patents.google.com/patent/US9809088B2/en
Dec 11, 2014 ... ... discharge pressure sensor 74, and the suction pressure sensor 76 may be made. ... or the discharge pressure is greater than about 28 PSIG, the “no ...